Merge pull request #7688 from drk7891/fix/make-functions-unique
Fixed function names to make them unique
This commit is contained in:
Eric Leung
@ -58,26 +58,26 @@
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"Remember to use <a href='//github.com/FreeCodeCamp/freecodecamp/wiki/How-to-get-help-when-you-get-stuck' target='_blank'>Read-Search-Ask</a> if you get stuck. Try to pair program. Write your own code."
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],
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"challengeSeed": [
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"function diff(arr1, arr2) {",
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"function diffArray(arr1, arr2) {",
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" var newArr = [];",
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" // Same, same; but different.",
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" return newArr;",
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"}",
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"",
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"diff([1, 2, 3, 5], [1, 2, 3, 4, 5]);"
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"diffArray([1, 2, 3, 5], [1, 2, 3, 4, 5]);"
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],
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"solutions": [
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"function diff(arr1, arr2) {\n var newArr = [];\n var h1 = Object.create(null);\n arr1.forEach(function(e) {\n h1[e] = e;\n });\n \n var h2 = Object.create(null);\n arr2.forEach(function(e) {\n h2[e] = e;\n });\n \n Object.keys(h1).forEach(function(e) {\n if (!(e in h2)) newArr.push(h1[e]);\n });\n Object.keys(h2).forEach(function(e) {\n if (!(e in h1)) newArr.push(h2[e]);\n });\n // Same, same; but different.\n return newArr;\n}"
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"function diffArray(arr1, arr2) {\n var newArr = [];\n var h1 = Object.create(null);\n arr1.forEach(function(e) {\n h1[e] = e;\n });\n \n var h2 = Object.create(null);\n arr2.forEach(function(e) {\n h2[e] = e;\n });\n \n Object.keys(h1).forEach(function(e) {\n if (!(e in h2)) newArr.push(h1[e]);\n });\n Object.keys(h2).forEach(function(e) {\n if (!(e in h1)) newArr.push(h2[e]);\n });\n // Same, same; but different.\n return newArr;\n}"
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],
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"tests": [
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"assert(typeof diff([1, 2, 3, 5], [1, 2, 3, 4, 5]) === \"object\", 'message: <code>diff([1, 2, 3, 5], [1, 2, 3, 4, 5])</code> should return an array.');",
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"assert.sameMembers(diff([\"diorite\", \"andesite\", \"grass\", \"dirt\", \"pink wool\", \"dead shrub\"], [\"diorite\", \"andesite\", \"grass\", \"dirt\", \"dead shrub\"]), [\"pink wool\"], 'message: <code>[\"diorite\", \"andesite\", \"grass\", \"dirt\", \"pink wool\", \"dead shrub\"], [\"diorite\", \"andesite\", \"grass\", \"dirt\", \"dead shrub\"]</code> should return <code>[\"pink wool\"]</code>.');",
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"assert.sameMembers(diff([\"andesite\", \"grass\", \"dirt\", \"pink wool\", \"dead shrub\"], [\"diorite\", \"andesite\", \"grass\", \"dirt\", \"dead shrub\"]), [\"diorite\", \"pink wool\"], 'message: <code>[\"andesite\", \"grass\", \"dirt\", \"pink wool\", \"dead shrub\"], [\"diorite\", \"andesite\", \"grass\", \"dirt\", \"dead shrub\"]</code> should return <code>[\"diorite\", \"pink wool\"]</code>.');",
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"assert.sameMembers(diff([\"andesite\", \"grass\", \"dirt\", \"dead shrub\"], [\"andesite\", \"grass\", \"dirt\", \"dead shrub\"]), [], 'message: <code>[\"andesite\", \"grass\", \"dirt\", \"dead shrub\"], [\"andesite\", \"grass\", \"dirt\", \"dead shrub\"]</code> should return <code>[]</code>.');",
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"assert.sameMembers(diff([1, 2, 3, 5], [1, 2, 3, 4, 5]), [4], 'message: <code>[1, 2, 3, 5], [1, 2, 3, 4, 5]</code> should return <code>[4]</code>.');",
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"assert.sameMembers(diff([1, \"calf\", 3, \"piglet\"], [1, \"calf\", 3, 4]), [\"piglet\", 4], 'message: <code>[1, \"calf\", 3, \"piglet\"], [1, \"calf\", 3, 4]</code> should return <code>[\"piglet\", 4]</code>.');",
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"assert.sameMembers(diff([], [\"snuffleupagus\", \"cookie monster\", \"elmo\"]), [\"snuffleupagus\", \"cookie monster\", \"elmo\"], 'message: <code>[], [\"snuffleupagus\", \"cookie monster\", \"elmo\"]</code> should return <code>[\"snuffleupagus\", \"cookie monster\", \"elmo\"]</code>.');",
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"assert.sameMembers(diff([1, \"calf\", 3, \"piglet\"], [7, \"filly\"]), [1, \"calf\", 3, \"piglet\", 7, \"filly\"], 'message: <code>[1, \"calf\", 3, \"piglet\"], [7, \"filly\"]</code> should return <code>[1, \"calf\", 3, \"piglet\", 7, \"filly\"]</code>.');"
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"assert(typeof diffArray([1, 2, 3, 5], [1, 2, 3, 4, 5]) === \"object\", 'message: <code>diffArray([1, 2, 3, 5], [1, 2, 3, 4, 5])</code> should return an array.');",
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"assert.sameMembers(diffArray([\"diorite\", \"andesite\", \"grass\", \"dirt\", \"pink wool\", \"dead shrub\"], [\"diorite\", \"andesite\", \"grass\", \"dirt\", \"dead shrub\"]), [\"pink wool\"], 'message: <code>[\"diorite\", \"andesite\", \"grass\", \"dirt\", \"pink wool\", \"dead shrub\"], [\"diorite\", \"andesite\", \"grass\", \"dirt\", \"dead shrub\"]</code> should return <code>[\"pink wool\"]</code>.');",
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"assert.sameMembers(diffArray([\"andesite\", \"grass\", \"dirt\", \"pink wool\", \"dead shrub\"], [\"diorite\", \"andesite\", \"grass\", \"dirt\", \"dead shrub\"]), [\"diorite\", \"pink wool\"], 'message: <code>[\"andesite\", \"grass\", \"dirt\", \"pink wool\", \"dead shrub\"], [\"diorite\", \"andesite\", \"grass\", \"dirt\", \"dead shrub\"]</code> should return <code>[\"diorite\", \"pink wool\"]</code>.');",
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"assert.sameMembers(diffArray([\"andesite\", \"grass\", \"dirt\", \"dead shrub\"], [\"andesite\", \"grass\", \"dirt\", \"dead shrub\"]), [], 'message: <code>[\"andesite\", \"grass\", \"dirt\", \"dead shrub\"], [\"andesite\", \"grass\", \"dirt\", \"dead shrub\"]</code> should return <code>[]</code>.');",
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"assert.sameMembers(diffArray([1, 2, 3, 5], [1, 2, 3, 4, 5]), [4], 'message: <code>[1, 2, 3, 5], [1, 2, 3, 4, 5]</code> should return <code>[4]</code>.');",
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"assert.sameMembers(diffArray([1, \"calf\", 3, \"piglet\"], [1, \"calf\", 3, 4]), [\"piglet\", 4], 'message: <code>[1, \"calf\", 3, \"piglet\"], [1, \"calf\", 3, 4]</code> should return <code>[\"piglet\", 4]</code>.');",
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"assert.sameMembers(diffArray([], [\"snuffleupagus\", \"cookie monster\", \"elmo\"]), [\"snuffleupagus\", \"cookie monster\", \"elmo\"], 'message: <code>[], [\"snuffleupagus\", \"cookie monster\", \"elmo\"]</code> should return <code>[\"snuffleupagus\", \"cookie monster\", \"elmo\"]</code>.');",
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"assert.sameMembers(diffArray([1, \"calf\", 3, \"piglet\"], [7, \"filly\"]), [1, \"calf\", 3, \"piglet\", 7, \"filly\"], 'message: <code>[1, \"calf\", 3, \"piglet\"], [7, \"filly\"]</code> should return <code>[1, \"calf\", 3, \"piglet\", 7, \"filly\"]</code>.');"
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],
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"type": "bonfire",
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"MDNlinks": [
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@ -109,41 +109,41 @@
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"Remember to use <a href='//github.com/FreeCodeCamp/freecodecamp/wiki/How-to-get-help-when-you-get-stuck' target='_blank'>Read-Search-Ask</a> if you get stuck. Try to pair program. Write your own code."
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],
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"challengeSeed": [
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"function convert(num) {",
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"function convertToRoman(num) {",
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" return num;",
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"}",
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"",
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"convert(36);"
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"convertToRoman(36);"
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],
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"solutions": [
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"function convert(num) {\n var ref = [['M', 1000], ['CM', 900], ['D', 500], ['CD', 400], ['C', 100], ['XC', 90], ['L', 50], ['XL', 40], ['X', 10], ['IX', 9], ['V', 5], ['IV', 4], ['I', 1]];\n var res = [];\n ref.forEach(function(p) {\n while (num >= p[1]) {\n res.push(p[0]);\n num -= p[1];\n }\n });\n return res.join('');\n}"
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"function convertToRoman(num) {\n var ref = [['M', 1000], ['CM', 900], ['D', 500], ['CD', 400], ['C', 100], ['XC', 90], ['L', 50], ['XL', 40], ['X', 10], ['IX', 9], ['V', 5], ['IV', 4], ['I', 1]];\n var res = [];\n ref.forEach(function(p) {\n while (num >= p[1]) {\n res.push(p[0]);\n num -= p[1];\n }\n });\n return res.join('');\n}"
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],
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"tests": [
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"assert.deepEqual(convert(2), \"II\", 'message: <code>convert(2)</code> should return \"II\".');",
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"assert.deepEqual(convert(3), \"III\", 'message: <code>convert(3)</code> should return \"III\".');",
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"assert.deepEqual(convert(4), \"IV\", 'message: <code>convert(4)</code> should return \"IV\".');",
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"assert.deepEqual(convert(5), \"V\", 'message: <code>convert(5)</code> should return \"V\".');",
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"assert.deepEqual(convert(9), \"IX\", 'message: <code>convert(9)</code> should return \"IX\".');",
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"assert.deepEqual(convert(12), \"XII\", 'message: <code>convert(12)</code> should return \"XII\".');",
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"assert.deepEqual(convert(16), \"XVI\", 'message: <code>convert(16)</code> should return \"XVI\".');",
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"assert.deepEqual(convert(29), \"XXIX\", 'message: <code>convert(29)</code> should return \"XXIX\".');",
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"assert.deepEqual(convert(44), \"XLIV\", 'message: <code>convert(44)</code> should return \"XLIV\".');",
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"assert.deepEqual(convert(45), \"XLV\", 'message: <code>convert(45)</code> should return \"XLV\"');",
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"assert.deepEqual(convert(68), \"LXVIII\", 'message: <code>convert(68)</code> should return \"LXVIII\"');",
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"assert.deepEqual(convert(83), \"LXXXIII\", 'message: <code>convert(83)</code> should return \"LXXXIII\"');",
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"assert.deepEqual(convert(97), \"XCVII\", 'message: <code>convert(97)</code> should return \"XCVII\"');",
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"assert.deepEqual(convert(99), \"XCIX\", 'message: <code>convert(99)</code> should return \"XCIX\"');",
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"assert.deepEqual(convert(500), \"D\", 'message: <code>convert(500)</code> should return \"D\"');",
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"assert.deepEqual(convert(501), \"DI\", 'message: <code>convert(501)</code> should return \"DI\"');",
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"assert.deepEqual(convert(649), \"DCXLIX\", 'message: <code>convert(649)</code> should return \"DCXLIX\"');",
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"assert.deepEqual(convert(798), \"DCCXCVIII\", 'message: <code>convert(798)</code> should return \"DCCXCVIII\"');",
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"assert.deepEqual(convert(891), \"DCCCXCI\", 'message: <code>convert(891)</code> should return \"DCCCXCI\"');",
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"assert.deepEqual(convert(1000), \"M\", 'message: <code>convert(1000)</code> should return \"M\"');",
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"assert.deepEqual(convert(1004), \"MIV\", 'message: <code>convert(1004)</code> should return \"MIV\"');",
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"assert.deepEqual(convert(1006), \"MVI\", 'message: <code>convert(1006)</code> should return \"MVI\"');",
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"assert.deepEqual(convert(1023), \"MXXIII\", 'message: <code>convert(1023)</code> should return \"MXXIII\"');",
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"assert.deepEqual(convert(2014), \"MMXIV\", 'message: <code>convert(2014)</code> should return \"MMXIV\"');",
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"assert.deepEqual(convert(3999), \"MMMCMXCIX\", 'message: <code>convert(3999)</code> should return \"MMMCMXCIX\"');"
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"assert.deepEqual(convertToRoman(2), \"II\", 'message: <code>convertToRoman(2)</code> should return \"II\".');",
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"assert.deepEqual(convertToRoman(3), \"III\", 'message: <code>convertToRoman(3)</code> should return \"III\".');",
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"assert.deepEqual(convertToRoman(4), \"IV\", 'message: <code>convertToRoman(4)</code> should return \"IV\".');",
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"assert.deepEqual(convertToRoman(5), \"V\", 'message: <code>convertToRoman(5)</code> should return \"V\".');",
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"assert.deepEqual(convertToRoman(9), \"IX\", 'message: <code>convertToRoman(9)</code> should return \"IX\".');",
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"assert.deepEqual(convertToRoman(12), \"XII\", 'message: <code>convertToRoman(12)</code> should return \"XII\".');",
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"assert.deepEqual(convertToRoman(16), \"XVI\", 'message: <code>convertToRoman(16)</code> should return \"XVI\".');",
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"assert.deepEqual(convertToRoman(29), \"XXIX\", 'message: <code>convertToRoman(29)</code> should return \"XXIX\".');",
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"assert.deepEqual(convertToRoman(44), \"XLIV\", 'message: <code>convertToRoman(44)</code> should return \"XLIV\".');",
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"assert.deepEqual(convertToRoman(45), \"XLV\", 'message: <code>convertToRoman(45)</code> should return \"XLV\"');",
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"assert.deepEqual(convertToRoman(68), \"LXVIII\", 'message: <code>convertToRoman(68)</code> should return \"LXVIII\"');",
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"assert.deepEqual(convertToRoman(83), \"LXXXIII\", 'message: <code>convertToRoman(83)</code> should return \"LXXXIII\"');",
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"assert.deepEqual(convertToRoman(97), \"XCVII\", 'message: <code>convertToRoman(97)</code> should return \"XCVII\"');",
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"assert.deepEqual(convertToRoman(99), \"XCIX\", 'message: <code>convertToRoman(99)</code> should return \"XCIX\"');",
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"assert.deepEqual(convertToRoman(500), \"D\", 'message: <code>convertToRoman(500)</code> should return \"D\"');",
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"assert.deepEqual(convertToRoman(501), \"DI\", 'message: <code>convertToRoman(501)</code> should return \"DI\"');",
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"assert.deepEqual(convertToRoman(649), \"DCXLIX\", 'message: <code>convertToRoman(649)</code> should return \"DCXLIX\"');",
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"assert.deepEqual(convertToRoman(798), \"DCCXCVIII\", 'message: <code>convertToRoman(798)</code> should return \"DCCXCVIII\"');",
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"assert.deepEqual(convertToRoman(891), \"DCCCXCI\", 'message: <code>convertToRoman(891)</code> should return \"DCCCXCI\"');",
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"assert.deepEqual(convertToRoman(1000), \"M\", 'message: <code>convertToRoman(1000)</code> should return \"M\"');",
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"assert.deepEqual(convertToRoman(1004), \"MIV\", 'message: <code>convertToRoman(1004)</code> should return \"MIV\"');",
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"assert.deepEqual(convertToRoman(1006), \"MVI\", 'message: <code>convertToRoman(1006)</code> should return \"MVI\"');",
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"assert.deepEqual(convertToRoman(1023), \"MXXIII\", 'message: <code>convertToRoman(1023)</code> should return \"MXXIII\"');",
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"assert.deepEqual(convertToRoman(2014), \"MMXIV\", 'message: <code>convertToRoman(2014)</code> should return \"MMXIV\"');",
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"assert.deepEqual(convertToRoman(3999), \"MMMCMXCIX\", 'message: <code>convertToRoman(3999)</code> should return \"MMMCMXCIX\"');"
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],
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"type": "bonfire",
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"MDNlinks": [
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@ -176,22 +176,22 @@
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"Remember to use <a href='//github.com/FreeCodeCamp/freecodecamp/wiki/How-to-get-help-when-you-get-stuck' target='_blank'>Read-Search-Ask</a> if you get stuck. Write your own code."
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],
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"challengeSeed": [
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"function where(collection, source) {",
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"function whereAreYou(collection, source) {",
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" var arr = [];",
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" // What's in a name?",
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" return arr;",
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"}",
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"",
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"where([{ first: \"Romeo\", last: \"Montague\" }, { first: \"Mercutio\", last: null }, { first: \"Tybalt\", last: \"Capulet\" }], { last: \"Capulet\" });"
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"whereAreYou([{ first: \"Romeo\", last: \"Montague\" }, { first: \"Mercutio\", last: null }, { first: \"Tybalt\", last: \"Capulet\" }], { last: \"Capulet\" });"
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],
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"solutions": [
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"function where(collection, source) {\n var arr = [];\n var keys = Object.keys(source);\n collection.forEach(function(e) {\n if(keys.every(function(key) {return e[key] === source[key];})) {\n arr.push(e); \n }\n });\n return arr;\n}"
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"function whereAreYou(collection, source) {\n var arr = [];\n var keys = Object.keys(source);\n collection.forEach(function(e) {\n if(keys.every(function(key) {return e[key] === source[key];})) {\n arr.push(e); \n }\n });\n return arr;\n}"
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],
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"tests": [
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"assert.deepEqual(where([{ first: \"Romeo\", last: \"Montague\" }, { first: \"Mercutio\", last: null }, { first: \"Tybalt\", last: \"Capulet\" }], { last: \"Capulet\" }), [{ first: \"Tybalt\", last: \"Capulet\" }], 'message: <code>where([{ first: \"Romeo\", last: \"Montague\" }, { first: \"Mercutio\", last: null }, { first: \"Tybalt\", last: \"Capulet\" }], { last: \"Capulet\" })</code> should return <code>[{ first: \"Tybalt\", last: \"Capulet\" }]</code>.');",
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"assert.deepEqual(where([{ \"a\": 1 }, { \"a\": 1 }, { \"a\": 1, \"b\": 2 }], { \"a\": 1 }), [{ \"a\": 1 }, { \"a\": 1 }, { \"a\": 1, \"b\": 2 }], 'message: <code>where([{ \"a\": 1 }, { \"a\": 1 }, { \"a\": 1, \"b\": 2 }], { \"a\": 1 })</code> should return <code>[{ \"a\": 1 }, { \"a\": 1 }, { \"a\": 1, \"b\": 2 }]</code>.');",
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"assert.deepEqual(where([{ \"a\": 1, \"b\": 2 }, { \"a\": 1 }, { \"a\": 1, \"b\": 2, \"c\": 2 }], { \"a\": 1, \"b\": 2 }), [{ \"a\": 1, \"b\": 2 }, { \"a\": 1, \"b\": 2, \"c\": 2 }], 'message: <code>where([{ \"a\": 1, \"b\": 2 }, { \"a\": 1 }, { \"a\": 1, \"b\": 2, \"c\": 2 }], { \"a\": 1, \"b\": 2 })</code> should return <code>[{ \"a\": 1, \"b\": 2 }, { \"a\": 1, \"b\": 2, \"c\": 2 }]</code>.');",
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"assert.deepEqual(where([{ \"a\": 1, \"b\": 2 }, { \"a\": 1 }, { \"a\": 1, \"b\": 2, \"c\": 2 }], { \"a\": 1, \"c\": 2 }), [{ \"a\": 1, \"b\": 2, \"c\": 2 }], 'message: <code>where([{ \"a\": 1, \"b\": 2 }, { \"a\": 1 }, { \"a\": 1, \"b\": 2, \"c\": 2 }], { \"a\": 1, \"c\": 2 })</code> should return <code>[{ \"a\": 1, \"b\": 2, \"c\": 2 }]</code>.');"
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"assert.deepEqual(whereAreYou([{ first: \"Romeo\", last: \"Montague\" }, { first: \"Mercutio\", last: null }, { first: \"Tybalt\", last: \"Capulet\" }], { last: \"Capulet\" }), [{ first: \"Tybalt\", last: \"Capulet\" }], 'message: <code>whereAreYou([{ first: \"Romeo\", last: \"Montague\" }, { first: \"Mercutio\", last: null }, { first: \"Tybalt\", last: \"Capulet\" }], { last: \"Capulet\" })</code> should return <code>[{ first: \"Tybalt\", last: \"Capulet\" }]</code>.');",
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"assert.deepEqual(whereAreYou([{ \"a\": 1 }, { \"a\": 1 }, { \"a\": 1, \"b\": 2 }], { \"a\": 1 }), [{ \"a\": 1 }, { \"a\": 1 }, { \"a\": 1, \"b\": 2 }], 'message: <code>whereAreYou([{ \"a\": 1 }, { \"a\": 1 }, { \"a\": 1, \"b\": 2 }], { \"a\": 1 })</code> should return <code>[{ \"a\": 1 }, { \"a\": 1 }, { \"a\": 1, \"b\": 2 }]</code>.');",
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"assert.deepEqual(whereAreYou([{ \"a\": 1, \"b\": 2 }, { \"a\": 1 }, { \"a\": 1, \"b\": 2, \"c\": 2 }], { \"a\": 1, \"b\": 2 }), [{ \"a\": 1, \"b\": 2 }, { \"a\": 1, \"b\": 2, \"c\": 2 }], 'message: <code>whereAreYou([{ \"a\": 1, \"b\": 2 }, { \"a\": 1 }, { \"a\": 1, \"b\": 2, \"c\": 2 }], { \"a\": 1, \"b\": 2 })</code> should return <code>[{ \"a\": 1, \"b\": 2 }, { \"a\": 1, \"b\": 2, \"c\": 2 }]</code>.');",
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"assert.deepEqual(whereAreYou([{ \"a\": 1, \"b\": 2 }, { \"a\": 1 }, { \"a\": 1, \"b\": 2, \"c\": 2 }], { \"a\": 1, \"c\": 2 }), [{ \"a\": 1, \"b\": 2, \"c\": 2 }], 'message: <code>whereAreYou([{ \"a\": 1, \"b\": 2 }, { \"a\": 1 }, { \"a\": 1, \"b\": 2, \"c\": 2 }], { \"a\": 1, \"c\": 2 })</code> should return <code>[{ \"a\": 1, \"b\": 2, \"c\": 2 }]</code>.');"
|
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],
|
||||
"type": "bonfire",
|
||||
"MDNlinks": [
|
||||
@ -279,21 +279,21 @@
|
||||
"Remember to use <a href='//github.com/FreeCodeCamp/freecodecamp/wiki/How-to-get-help-when-you-get-stuck' target='_blank'>Read-Search-Ask</a> if you get stuck. Try to pair program. Write your own code."
|
||||
],
|
||||
"challengeSeed": [
|
||||
"function translate(str) {",
|
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"function translatePigLatin(str) {",
|
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" return str;",
|
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"}",
|
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"",
|
||||
"translate(\"consonant\");"
|
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"translatePigLatin(\"consonant\");"
|
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],
|
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"solutions": [
|
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"function translate(str) {\n if (isVowel(str.charAt(0))) return str + \"way\";\n var front = [];\n str = str.split('');\n while (str.length && !isVowel(str[0])) {\n front.push(str.shift());\n }\n return [].concat(str, front).join('') + 'ay';\n}\n\nfunction isVowel(c) {\n return ['a', 'e', 'i', 'o', 'u'].indexOf(c.toLowerCase()) !== -1;\n}"
|
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"function translatePigLatin(str) {\n if (isVowel(str.charAt(0))) return str + \"way\";\n var front = [];\n str = str.split('');\n while (str.length && !isVowel(str[0])) {\n front.push(str.shift());\n }\n return [].concat(str, front).join('') + 'ay';\n}\n\nfunction isVowel(c) {\n return ['a', 'e', 'i', 'o', 'u'].indexOf(c.toLowerCase()) !== -1;\n}"
|
||||
],
|
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"tests": [
|
||||
"assert.deepEqual(translate(\"california\"), \"aliforniacay\", 'message: <code>translate(\"california\")</code> should return \"aliforniacay\".');",
|
||||
"assert.deepEqual(translate(\"paragraphs\"), \"aragraphspay\", 'message: <code>translate(\"paragraphs\")</code> should return \"aragraphspay\".');",
|
||||
"assert.deepEqual(translate(\"glove\"), \"oveglay\", 'message: <code>translate(\"glove\")</code> should return \"oveglay\".');",
|
||||
"assert.deepEqual(translate(\"algorithm\"), \"algorithmway\", 'message: <code>translate(\"algorithm\")</code> should return \"algorithmway\".');",
|
||||
"assert.deepEqual(translate(\"eight\"), \"eightway\", 'message: <code>translate(\"eight\")</code> should return \"eightway\".');"
|
||||
"assert.deepEqual(translatePigLatin(\"california\"), \"aliforniacay\", 'message: <code>translatePigLatin(\"california\")</code> should return \"aliforniacay\".');",
|
||||
"assert.deepEqual(translatePigLatin(\"paragraphs\"), \"aragraphspay\", 'message: <code>translatePigLatin(\"paragraphs\")</code> should return \"aragraphspay\".');",
|
||||
"assert.deepEqual(translatePigLatin(\"glove\"), \"oveglay\", 'message: <code>translatePigLatin(\"glove\")</code> should return \"oveglay\".');",
|
||||
"assert.deepEqual(translatePigLatin(\"algorithm\"), \"algorithmway\", 'message: <code>translatePigLatin(\"algorithm\")</code> should return \"algorithmway\".');",
|
||||
"assert.deepEqual(translatePigLatin(\"eight\"), \"eightway\", 'message: <code>translatePigLatin(\"eight\")</code> should return \"eightway\".');"
|
||||
],
|
||||
"type": "bonfire",
|
||||
"MDNlinks": [
|
||||
@ -332,19 +332,19 @@
|
||||
"Remember to use <a href='//github.com/FreeCodeCamp/freecodecamp/wiki/How-to-get-help-when-you-get-stuck' target='_blank'>Read-Search-Ask</a> if you get stuck. Try to pair program. Write your own code."
|
||||
],
|
||||
"challengeSeed": [
|
||||
"function pair(str) {",
|
||||
"function pairElement(str) {",
|
||||
" return str;",
|
||||
"}",
|
||||
"",
|
||||
"pair(\"GCG\");"
|
||||
"pairElement(\"GCG\");"
|
||||
],
|
||||
"solutions": [
|
||||
"var lookup = Object.create(null);\nlookup.A = 'T';\nlookup.T = 'A';\nlookup.C = 'G';\nlookup.G = 'C';\n\nfunction pair(str) {\n return str.split('').map(function(p) {return [p, lookup[p]];});\n}"
|
||||
"var lookup = Object.create(null);\nlookup.A = 'T';\nlookup.T = 'A';\nlookup.C = 'G';\nlookup.G = 'C';\n\nfunction pairElement(str) {\n return str.split('').map(function(p) {return [p, lookup[p]];});\n}"
|
||||
],
|
||||
"tests": [
|
||||
"assert.deepEqual(pair(\"ATCGA\"),[[\"A\",\"T\"],[\"T\",\"A\"],[\"C\",\"G\"],[\"G\",\"C\"],[\"A\",\"T\"]], 'message: <code>pair(\"ATCGA\")</code> should return <code>[[\"A\",\"T\"],[\"T\",\"A\"],[\"C\",\"G\"],[\"G\",\"C\"],[\"A\",\"T\"]]</code>.');",
|
||||
"assert.deepEqual(pair(\"TTGAG\"),[[\"T\",\"A\"],[\"T\",\"A\"],[\"G\",\"C\"],[\"A\",\"T\"],[\"G\",\"C\"]], 'message: <code>pair(\"TTGAG\")</code> should return <code>[[\"T\",\"A\"],[\"T\",\"A\"],[\"G\",\"C\"],[\"A\",\"T\"],[\"G\",\"C\"]]</code>.');",
|
||||
"assert.deepEqual(pair(\"CTCTA\"),[[\"C\",\"G\"],[\"T\",\"A\"],[\"C\",\"G\"],[\"T\",\"A\"],[\"A\",\"T\"]], 'message: <code>pair(\"CTCTA\")</code> should return <code>[[\"C\",\"G\"],[\"T\",\"A\"],[\"C\",\"G\"],[\"T\",\"A\"],[\"A\",\"T\"]]</code>.');"
|
||||
"assert.deepEqual(pairElement(\"ATCGA\"),[[\"A\",\"T\"],[\"T\",\"A\"],[\"C\",\"G\"],[\"G\",\"C\"],[\"A\",\"T\"]], 'message: <code>pairElement(\"ATCGA\")</code> should return <code>[[\"A\",\"T\"],[\"T\",\"A\"],[\"C\",\"G\"],[\"G\",\"C\"],[\"A\",\"T\"]]</code>.');",
|
||||
"assert.deepEqual(pairElement(\"TTGAG\"),[[\"T\",\"A\"],[\"T\",\"A\"],[\"G\",\"C\"],[\"A\",\"T\"],[\"G\",\"C\"]], 'message: <code>pairElement(\"TTGAG\")</code> should return <code>[[\"T\",\"A\"],[\"T\",\"A\"],[\"G\",\"C\"],[\"A\",\"T\"],[\"G\",\"C\"]]</code>.');",
|
||||
"assert.deepEqual(pairElement(\"CTCTA\"),[[\"C\",\"G\"],[\"T\",\"A\"],[\"C\",\"G\"],[\"T\",\"A\"],[\"A\",\"T\"]], 'message: <code>pairElement(\"CTCTA\")</code> should return <code>[[\"C\",\"G\"],[\"T\",\"A\"],[\"C\",\"G\"],[\"T\",\"A\"],[\"A\",\"T\"]]</code>.');"
|
||||
],
|
||||
"type": "bonfire",
|
||||
"MDNlinks": [
|
||||
@ -425,27 +425,27 @@
|
||||
"Remember to use <a href='//github.com/FreeCodeCamp/freecodecamp/wiki/How-to-get-help-when-you-get-stuck' target='_blank'>Read-Search-Ask</a> if you get stuck. Try to pair program. Write your own code."
|
||||
],
|
||||
"challengeSeed": [
|
||||
"function boo(bool) {",
|
||||
"function booWho(bool) {",
|
||||
" // What is the new fad diet for ghost developers? The Boolean.",
|
||||
" return bool;",
|
||||
"}",
|
||||
"",
|
||||
"boo(null);"
|
||||
"booWho(null);"
|
||||
],
|
||||
"solutions": [
|
||||
"function boo(bool) {\n // What is the new fad diet for ghost developers? The Boolean.\n return typeof bool === \"boolean\";\n}\n\nboo(null);"
|
||||
"function booWho(bool) {\n // What is the new fad diet for ghost developers? The Boolean.\n return typeof bool === \"boolean\";\n}\n\nbooWho(null);"
|
||||
],
|
||||
"tests": [
|
||||
"assert.strictEqual(boo(true), true, 'message: <code>boo(true)</code> should return true.');",
|
||||
"assert.strictEqual(boo(false), true, 'message: <code>boo(false)</code> should return true.');",
|
||||
"assert.strictEqual(boo([1, 2, 3]), false, 'message: <code>boo([1, 2, 3])</code> should return false.');",
|
||||
"assert.strictEqual(boo([].slice), false, 'message: <code>boo([].slice)</code> should return false.');",
|
||||
"assert.strictEqual(boo({ \"a\": 1 }), false, 'message: <code>boo({ \"a\": 1 })</code> should return false.');",
|
||||
"assert.strictEqual(boo(1), false, 'message: <code>boo(1)</code> should return false.');",
|
||||
"assert.strictEqual(boo(NaN), false, 'message: <code>boo(NaN)</code> should return false.');",
|
||||
"assert.strictEqual(boo(\"a\"), false, 'message: <code>boo(\"a\")</code> should return false.');",
|
||||
"assert.strictEqual(boo(\"true\"), false, 'message: <code>boo(\"true\")</code> should return false.');",
|
||||
"assert.strictEqual(boo(\"false\"), false, 'message: <code>boo(\"false\")</code> should return false.');"
|
||||
"assert.strictEqual(booWho(true), true, 'message: <code>booWho(true)</code> should return true.');",
|
||||
"assert.strictEqual(booWho(false), true, 'message: <code>booWho(false)</code> should return true.');",
|
||||
"assert.strictEqual(booWho([1, 2, 3]), false, 'message: <code>booWho([1, 2, 3])</code> should return false.');",
|
||||
"assert.strictEqual(booWho([].slice), false, 'message: <code>booWho([].slice)</code> should return false.');",
|
||||
"assert.strictEqual(booWho({ \"a\": 1 }), false, 'message: <code>booWho({ \"a\": 1 })</code> should return false.');",
|
||||
"assert.strictEqual(booWho(1), false, 'message: <code>booWho(1)</code> should return false.');",
|
||||
"assert.strictEqual(booWho(NaN), false, 'message: <code>booWho(NaN)</code> should return false.');",
|
||||
"assert.strictEqual(booWho(\"a\"), false, 'message: <code>booWho(\"a\")</code> should return false.');",
|
||||
"assert.strictEqual(booWho(\"true\"), false, 'message: <code>booWho(\"true\")</code> should return false.');",
|
||||
"assert.strictEqual(booWho(\"false\"), false, 'message: <code>booWho(\"false\")</code> should return false.');"
|
||||
],
|
||||
"type": "bonfire",
|
||||
"MDNlinks": [
|
||||
@ -477,20 +477,20 @@
|
||||
"Remember to use <a href='//github.com/FreeCodeCamp/freecodecamp/wiki/How-to-get-help-when-you-get-stuck' target='_blank'>Read-Search-Ask</a> if you get stuck. Try to pair program. Write your own code."
|
||||
],
|
||||
"challengeSeed": [
|
||||
"function unite(arr1, arr2, arr3) {",
|
||||
"function uniteUnique(arr1, arr2, arr3) {",
|
||||
" return arr1;",
|
||||
"}",
|
||||
"",
|
||||
"unite([1, 3, 2], [5, 2, 1, 4], [2, 1]);"
|
||||
"uniteUnique([1, 3, 2], [5, 2, 1, 4], [2, 1]);"
|
||||
],
|
||||
"solutions": [
|
||||
"function unite(arr1, arr2, arr3) {\n return [].slice.call(arguments).reduce(function(a, b) {\n return [].concat(a, b.filter(function(e) {return a.indexOf(e) === -1;}));\n }, []);\n}"
|
||||
"function uniteUnique(arr1, arr2, arr3) {\n return [].slice.call(arguments).reduce(function(a, b) {\n return [].concat(a, b.filter(function(e) {return a.indexOf(e) === -1;}));\n }, []);\n}"
|
||||
],
|
||||
"tests": [
|
||||
"assert.deepEqual(unite([1, 3, 2], [5, 2, 1, 4], [2, 1]), [1, 3, 2, 5, 4], 'message: <code>unite([1, 3, 2], [5, 2, 1, 4], [2, 1])</code> should return <code>[1, 3, 2, 5, 4]</code>.');",
|
||||
"assert.deepEqual(unite([1, 3, 2], [1, [5]], [2, [4]]), [1, 3, 2, [5], [4]], 'message: <code>unite([1, 3, 2], [1, [5]], [2, [4]])</code> should return <code>[1, 3, 2, [5], [4]]</code>.');",
|
||||
"assert.deepEqual(unite([1, 2, 3], [5, 2, 1]), [1, 2, 3, 5], 'message: <code>unite([1, 2, 3], [5, 2, 1])</code> should return <code>[1, 2, 3, 5]</code>.');",
|
||||
"assert.deepEqual(unite([1, 2, 3], [5, 2, 1, 4], [2, 1], [6, 7, 8]), [1, 2, 3, 5, 4, 6, 7, 8], 'message: <code>unite([1, 2, 3], [5, 2, 1, 4], [2, 1], [6, 7, 8])</code> should return <code>[1, 2, 3, 5, 4, 6, 7, 8]</code>.');"
|
||||
"assert.deepEqual(uniteUnique([1, 3, 2], [5, 2, 1, 4], [2, 1]), [1, 3, 2, 5, 4], 'message: <code>uniteUnique([1, 3, 2], [5, 2, 1, 4], [2, 1])</code> should return <code>[1, 3, 2, 5, 4]</code>.');",
|
||||
"assert.deepEqual(uniteUnique([1, 3, 2], [1, [5]], [2, [4]]), [1, 3, 2, [5], [4]], 'message: <code>uniteUnique([1, 3, 2], [1, [5]], [2, [4]])</code> should return <code>[1, 3, 2, [5], [4]]</code>.');",
|
||||
"assert.deepEqual(uniteUnique([1, 2, 3], [5, 2, 1]), [1, 2, 3, 5], 'message: <code>uniteUnique([1, 2, 3], [5, 2, 1])</code> should return <code>[1, 2, 3, 5]</code>.');",
|
||||
"assert.deepEqual(uniteUnique([1, 2, 3], [5, 2, 1, 4], [2, 1], [6, 7, 8]), [1, 2, 3, 5, 4, 6, 7, 8], 'message: <code>uniteUnique([1, 2, 3], [5, 2, 1, 4], [2, 1], [6, 7, 8])</code> should return <code>[1, 2, 3, 5, 4, 6, 7, 8]</code>.');"
|
||||
],
|
||||
"type": "bonfire",
|
||||
"MDNlinks": [
|
||||
@ -524,24 +524,24 @@
|
||||
"Remember to use <a href='//github.com/FreeCodeCamp/freecodecamp/wiki/How-to-get-help-when-you-get-stuck' target='_blank'>Read-Search-Ask</a> if you get stuck. Try to pair program. Write your own code."
|
||||
],
|
||||
"challengeSeed": [
|
||||
"function convert(str) {",
|
||||
"function convertHTML(str) {",
|
||||
" // :)",
|
||||
" return str;",
|
||||
"}",
|
||||
"",
|
||||
"convert(\"Dolce & Gabbana\");"
|
||||
"convertHTML(\"Dolce & Gabbana\");"
|
||||
],
|
||||
"solutions": [
|
||||
"var MAP = { '&': '&',\n '<': '<',\n '>': '>',\n '\"': '"',\n \"'\": '''};\n\nfunction convert(str) {\n return str.replace(/[&<>\"']/g, function(c) {\n return MAP[c];\n });\n}"
|
||||
"var MAP = { '&': '&',\n '<': '<',\n '>': '>',\n '\"': '"',\n \"'\": '''};\n\nfunction convertHTML(str) {\n return str.replace(/[&<>\"']/g, function(c) {\n return MAP[c];\n });\n}"
|
||||
],
|
||||
"tests": [
|
||||
"assert.match(convert(\"Dolce & Gabbana\"), /Dolce & Gabbana/, 'message: <code>convert(\"Dolce & Gabbana\")</code> should return <code>Dolce &​amp; Gabbana</code>.');",
|
||||
"assert.match(convert(\"Hamburgers < Pizza < Tacos\"), /Hamburgers < Pizza < Tacos/, 'message: <code>convert(\"Hamburgers < Pizza < Tacos\")</code> should return <code>Hamburgers &​lt; Pizza &​lt; Tacos</code>.');",
|
||||
"assert.match(convert(\"Sixty > twelve\"), /Sixty > twelve/, 'message: <code>convert(\"Sixty > twelve\")</code> should return <code>Sixty &​gt; twelve</code>.');",
|
||||
"assert.match(convert('Stuff in \"quotation marks\"'), /Stuff in "quotation marks"/, 'message: <code>convert('Stuff in \"quotation marks\"')</code> should return <code>Stuff in &​quot;quotation marks&​quot;</code>.');",
|
||||
"assert.match(convert(\"Shindler's List\"), /Shindler's List/, 'message: <code>convert(\"Shindler's List\")</code> should return <code>Shindler&​apos;s List</code>.');",
|
||||
"assert.match(convert('<>'), /<>/, 'message: <code>convert(\"<>\")</code> should return <code>&​lt;&​gt;</code>.');",
|
||||
"assert.strictEqual(convert('abc'), 'abc', 'message: <code>convert(\"abc\")</code> should return <code>abc</code>.');"
|
||||
"assert.match(convertHTML(\"Dolce & Gabbana\"), /Dolce & Gabbana/, 'message: <code>convertHTML(\"Dolce & Gabbana\")</code> should return <code>Dolce &​amp; Gabbana</code>.');",
|
||||
"assert.match(convertHTML(\"Hamburgers < Pizza < Tacos\"), /Hamburgers < Pizza < Tacos/, 'message: <code>convertHTML(\"Hamburgers < Pizza < Tacos\")</code> should return <code>Hamburgers &​lt; Pizza &​lt; Tacos</code>.');",
|
||||
"assert.match(convertHTML(\"Sixty > twelve\"), /Sixty > twelve/, 'message: <code>convertHTML(\"Sixty > twelve\")</code> should return <code>Sixty &​gt; twelve</code>.');",
|
||||
"assert.match(convertHTML('Stuff in \"quotation marks\"'), /Stuff in "quotation marks"/, 'message: <code>convertHTML('Stuff in \"quotation marks\"')</code> should return <code>Stuff in &​quot;quotation marks&​quot;</code>.');",
|
||||
"assert.match(convertHTML(\"Shindler's List\"), /Shindler's List/, 'message: <code>convertHTML(\"Shindler's List\")</code> should return <code>Shindler&​apos;s List</code>.');",
|
||||
"assert.match(convertHTML('<>'), /<>/, 'message: <code>convertHTML(\"<>\")</code> should return <code>&​lt;&​gt;</code>.');",
|
||||
"assert.strictEqual(convertHTML('abc'), 'abc', 'message: <code>convertHTML(\"abc\")</code> should return <code>abc</code>.');"
|
||||
],
|
||||
"type": "bonfire",
|
||||
"MDNlinks": [
|
||||
@ -754,19 +754,19 @@
|
||||
"Remember to use <a href='//github.com/FreeCodeCamp/freecodecamp/wiki/How-to-get-help-when-you-get-stuck' target='_blank'>Read-Search-Ask</a> if you get stuck. Try to pair program. Write your own code."
|
||||
],
|
||||
"challengeSeed": [
|
||||
"function find(arr, func) {",
|
||||
"function findElement(arr, func) {",
|
||||
" var num = 0;",
|
||||
" return num;",
|
||||
"}",
|
||||
"",
|
||||
"find([1, 2, 3, 4], function(num){ return num % 2 === 0; });"
|
||||
"findElement([1, 2, 3, 4], function(num){ return num % 2 === 0; });"
|
||||
],
|
||||
"solutions": [
|
||||
"function find(arr, func) {\n var num;\n arr.some(function(e) {\n if (func(e)) {\n num = e;\n return true;\n }\n });\n return num;\n}"
|
||||
"function findElement(arr, func) {\n var num;\n arr.some(function(e) {\n if (func(e)) {\n num = e;\n return true;\n }\n });\n return num;\n}"
|
||||
],
|
||||
"tests": [
|
||||
"assert.strictEqual(find([1, 3, 5, 8, 9, 10], function(num) { return num % 2 === 0; }), 8, 'message: <code>find([1, 3, 5, 8, 9, 10], function(num) { return num % 2 === 0; })</code> should return 8.');",
|
||||
"assert.strictEqual(find([1, 3, 5, 9], function(num) { return num % 2 === 0; }), undefined, 'message: <code>find([1, 3, 5, 9], function(num) { return num % 2 === 0; })</code> should return undefined.');"
|
||||
"assert.strictEqual(findElement([1, 3, 5, 8, 9, 10], function(num) { return num % 2 === 0; }), 8, 'message: <code>findElement([1, 3, 5, 8, 9, 10], function(num) { return num % 2 === 0; })</code> should return 8.');",
|
||||
"assert.strictEqual(findElement([1, 3, 5, 9], function(num) { return num % 2 === 0; }), undefined, 'message: <code>findElement([1, 3, 5, 9], function(num) { return num % 2 === 0; })</code> should return undefined.');"
|
||||
],
|
||||
"type": "bonfire",
|
||||
"MDNlinks": [
|
||||
@ -795,23 +795,23 @@
|
||||
"Remember to use <a href='//github.com/FreeCodeCamp/freecodecamp/wiki/How-to-get-help-when-you-get-stuck' target='_blank'>Read-Search-Ask</a> if you get stuck. Try to pair program. Write your own code."
|
||||
],
|
||||
"challengeSeed": [
|
||||
"function drop(arr, func) {",
|
||||
"function dropElements(arr, func) {",
|
||||
" // Drop them elements.",
|
||||
" return arr;",
|
||||
"}",
|
||||
"",
|
||||
"drop([1, 2, 3], function(n) {return n < 3; });"
|
||||
"dropElements([1, 2, 3], function(n) {return n < 3; });"
|
||||
],
|
||||
"solutions": [
|
||||
"function drop(arr, func) {\n // Drop them elements.\n while (arr.length && !func(arr[0])) {\n arr.shift();\n }\n return arr;\n}"
|
||||
"function dropElements(arr, func) {\n // Drop them elements.\n while (arr.length && !func(arr[0])) {\n arr.shift();\n }\n return arr;\n}"
|
||||
],
|
||||
"tests": [
|
||||
"assert.deepEqual(drop([1, 2, 3, 4], function(n) {return n >= 3;}), [3, 4], 'message: <code>drop([1, 2, 3, 4], function(n) {return n >= 3;})</code> should return <code>[3, 4]</code>.');",
|
||||
"assert.deepEqual(drop([0, 1, 0, 1], function(n) {return n === 1;}), [1, 0, 1], 'message: <code>drop([0, 1, 0, 1], function(n) {return n === 1;})</code> should return <code>[1, 0, 1]</code>.');",
|
||||
"assert.deepEqual(drop([1, 2, 3], function(n) {return n > 0;}), [1, 2, 3], 'message: <code>drop([1, 2, 3], function(n) {return n > 0;})</code> should return <code>[1, 2, 3]</code>.');",
|
||||
"assert.deepEqual(drop([1, 2, 3, 4], function(n) {return n > 5;}), [], 'message: <code>drop([1, 2, 3, 4], function(n) {return n > 5;})</code> should return <code>[]</code>.');",
|
||||
"assert.deepEqual(drop([1, 2, 3, 7, 4], function(n) {return n > 3;}), [7, 4], 'message: <code>drop([1, 2, 3, 7, 4], function(n) {return n > 3;})</code> should return <code>[7, 4]</code>.');",
|
||||
"assert.deepEqual(drop([1, 2, 3, 9, 2], function(n) {return n > 2;}), [3, 9, 2], 'message: <code>drop([1, 2, 3, 9, 2], function(n) {return n > 2;})</code> should return <code>[3, 9, 2]</code>.');"
|
||||
"assert.deepEqual(dropElements([1, 2, 3, 4], function(n) {return n >= 3;}), [3, 4], 'message: <code>dropElements([1, 2, 3, 4], function(n) {return n >= 3;})</code> should return <code>[3, 4]</code>.');",
|
||||
"assert.deepEqual(dropElements([0, 1, 0, 1], function(n) {return n === 1;}), [1, 0, 1], 'message: <code>dropElements([0, 1, 0, 1], function(n) {return n === 1;})</code> should return <code>[1, 0, 1]</code>.');",
|
||||
"assert.deepEqual(dropElements([1, 2, 3], function(n) {return n > 0;}), [1, 2, 3], 'message: <code>dropElements([1, 2, 3], function(n) {return n > 0;})</code> should return <code>[1, 2, 3]</code>.');",
|
||||
"assert.deepEqual(dropElements([1, 2, 3, 4], function(n) {return n > 5;}), [], 'message: <code>dropElements([1, 2, 3, 4], function(n) {return n > 5;})</code> should return <code>[]</code>.');",
|
||||
"assert.deepEqual(dropElements([1, 2, 3, 7, 4], function(n) {return n > 3;}), [7, 4], 'message: <code>dropElements([1, 2, 3, 7, 4], function(n) {return n > 3;})</code> should return <code>[7, 4]</code>.');",
|
||||
"assert.deepEqual(dropElements([1, 2, 3, 9, 2], function(n) {return n > 2;}), [3, 9, 2], 'message: <code>dropElements([1, 2, 3, 9, 2], function(n) {return n > 2;})</code> should return <code>[3, 9, 2]</code>.');"
|
||||
],
|
||||
"type": "bonfire",
|
||||
"MDNlinks": [
|
||||
@ -842,21 +842,21 @@
|
||||
"Remember to use <a href='//github.com/FreeCodeCamp/freecodecamp/wiki/How-to-get-help-when-you-get-stuck' target='_blank'>Read-Search-Ask</a> if you get stuck. Try to pair program. Write your own code."
|
||||
],
|
||||
"challengeSeed": [
|
||||
"function steamroller(arr) {",
|
||||
"function steamrollArray(arr) {",
|
||||
" // I'm a steamroller, baby",
|
||||
" return arr;",
|
||||
"}",
|
||||
"",
|
||||
"steamroller([1, [2], [3, [[4]]]]);"
|
||||
"steamrollArray([1, [2], [3, [[4]]]]);"
|
||||
],
|
||||
"solutions": [
|
||||
"function steamroller(arr) {\n if (!Array.isArray(arr)) {\n return [arr];\n }\n var out = [];\n arr.forEach(function(e) {\n steamroller(e).forEach(function(v) {\n out.push(v);\n });\n });\n return out;\n}"
|
||||
"function steamrollArray(arr) {\n if (!Array.isArray(arr)) {\n return [arr];\n }\n var out = [];\n arr.forEach(function(e) {\n steamrollArray(e).forEach(function(v) {\n out.push(v);\n });\n });\n return out;\n}"
|
||||
],
|
||||
"tests": [
|
||||
"assert.deepEqual(steamroller([[[\"a\"]], [[\"b\"]]]), [\"a\", \"b\"], 'message: <code>steamroller([[[\"a\"]], [[\"b\"]]])</code> should return <code>[\"a\", \"b\"]</code>.');",
|
||||
"assert.deepEqual(steamroller([1, [2], [3, [[4]]]]), [1, 2, 3, 4], 'message: <code>steamroller([1, [2], [3, [[4]]]])</code> should return <code>[1, 2, 3, 4]</code>.');",
|
||||
"assert.deepEqual(steamroller([1, [], [3, [[4]]]]), [1, 3, 4], 'message: <code>steamroller([1, [], [3, [[4]]]])</code> should return <code>[1, 3, 4]</code>.');",
|
||||
"assert.deepEqual(steamroller([1, {}, [3, [[4]]]]), [1, {}, 3, 4], 'message: <code>steamroller([1, {}, [3, [[4]]]])</code> should return <code>[1, {}, 3, 4]</code>.');"
|
||||
"assert.deepEqual(steamrollArray([[[\"a\"]], [[\"b\"]]]), [\"a\", \"b\"], 'message: <code>steamrollArray([[[\"a\"]], [[\"b\"]]])</code> should return <code>[\"a\", \"b\"]</code>.');",
|
||||
"assert.deepEqual(steamrollArray([1, [2], [3, [[4]]]]), [1, 2, 3, 4], 'message: <code>steamrollArray([1, [2], [3, [[4]]]])</code> should return <code>[1, 2, 3, 4]</code>.');",
|
||||
"assert.deepEqual(steamrollArray([1, [], [3, [[4]]]]), [1, 3, 4], 'message: <code>steamrollArray([1, [], [3, [[4]]]])</code> should return <code>[1, 3, 4]</code>.');",
|
||||
"assert.deepEqual(steamrollArray([1, {}, [3, [[4]]]]), [1, {}, 3, 4], 'message: <code>steamrollArray([1, {}, [3, [[4]]]])</code> should return <code>[1, {}, 3, 4]</code>.');"
|
||||
],
|
||||
"type": "bonfire",
|
||||
"MDNlinks": [
|
||||
@ -926,26 +926,26 @@
|
||||
"Remember to use <a href='//github.com/FreeCodeCamp/freecodecamp/wiki/How-to-get-help-when-you-get-stuck' target='_blank'>Read-Search-Ask</a> if you get stuck. Try to pair program. Write your own code."
|
||||
],
|
||||
"challengeSeed": [
|
||||
"function every(collection, pre) {",
|
||||
"function truthCheck(collection, pre) {",
|
||||
" // Is everyone being true?",
|
||||
" return pre;",
|
||||
"}",
|
||||
"",
|
||||
"every([{\"user\": \"Tinky-Winky\", \"sex\": \"male\"}, {\"user\": \"Dipsy\", \"sex\": \"male\"}, {\"user\": \"Laa-Laa\", \"sex\": \"female\"}, {\"user\": \"Po\", \"sex\": \"female\"}], \"sex\");"
|
||||
"truthCheck([{\"user\": \"Tinky-Winky\", \"sex\": \"male\"}, {\"user\": \"Dipsy\", \"sex\": \"male\"}, {\"user\": \"Laa-Laa\", \"sex\": \"female\"}, {\"user\": \"Po\", \"sex\": \"female\"}], \"sex\");"
|
||||
],
|
||||
"solutions": [
|
||||
"function every(collection, pre) {\n // Does everyone have one of these?\n return collection.every(function(e) { return e[pre]; });\n}"
|
||||
"function truthCheck(collection, pre) {\n // Does everyone have one of these?\n return collection.every(function(e) { return e[pre]; });\n}"
|
||||
],
|
||||
"tests": [
|
||||
"assert.strictEqual(every([{\"user\": \"Tinky-Winky\", \"sex\": \"male\"}, {\"user\": \"Dipsy\", \"sex\": \"male\"}, {\"user\": \"Laa-Laa\", \"sex\": \"female\"}, {\"user\": \"Po\", \"sex\": \"female\"}], \"sex\"), true, 'message: <code>every([{\"user\": \"Tinky-Winky\", \"sex\": \"male\"}, {\"user\": \"Dipsy\", \"sex\": \"male\"}, {\"user\": \"Laa-Laa\", \"sex\": \"female\"}, {\"user\": \"Po\", \"sex\": \"female\"}], \"sex\")</code> should return true.');",
|
||||
"assert.strictEqual(every([{\"user\": \"Tinky-Winky\", \"sex\": \"male\"}, {\"user\": \"Dipsy\"}, {\"user\": \"Laa-Laa\", \"sex\": \"female\"}, {\"user\": \"Po\", \"sex\": \"female\"}], \"sex\"), false, 'message: <code>every([{\"user\": \"Tinky-Winky\", \"sex\": \"male\"}, {\"user\": \"Dipsy\"}, {\"user\": \"Laa-Laa\", \"sex\": \"female\"}, {\"user\": \"Po\", \"sex\": \"female\"}], \"sex\")</code> should return false.');",
|
||||
"assert.strictEqual(every([{\"user\": \"Tinky-Winky\", \"sex\": \"male\", \"age\": 2}, {\"user\": \"Dipsy\", \"sex\": \"male\", \"age\": 0}, {\"user\": \"Laa-Laa\", \"sex\": \"female\", \"age\": 5}, {\"user\": \"Po\", \"sex\": \"female\", \"age\": 4}], \"age\"), false, 'message: <code>every([{\"user\": \"Tinky-Winky\", \"sex\": \"male\", \"age\": 0}, {\"user\": \"Dipsy\", \"sex\": \"male\", \"age\": 3}, {\"user\": \"Laa-Laa\", \"sex\": \"female\", \"age\": 5}, {\"user\": \"Po\", \"sex\": \"female\", \"age\": 4}], \"age\")</code> should return false.');",
|
||||
"assert.strictEqual(every([{\"name\": \"Pete\", \"onBoat\": true}, {\"name\": \"Repeat\", \"onBoat\": true}, {\"name\": \"FastFoward\", \"onBoat\": null}], \"onBoat\"), false, 'message: <code>every([{\"name\": \"Pete\", \"onBoat\": true}, {\"name\": \"Repeat\", \"onBoat\": true}, {\"name\": \"FastFoward\", \"onBoat\": null}], \"onBoat\")</code> should return false');",
|
||||
"assert.strictEqual(every([{\"name\": \"Pete\", \"onBoat\": true}, {\"name\": \"Repeat\", \"onBoat\": true, \"alias\": \"Repete\"}, {\"name\": \"FastFoward\", \"onBoat\": true}], \"onBoat\"), true, 'message: <code>every([{\"name\": \"Pete\", \"onBoat\": true}, {\"name\": \"Repeat\", \"onBoat\": true, \"alias\": \"Repete\"}, {\"name\": \"FastFoward\", \"onBoat\": true}], \"onBoat\")</code> should return true');",
|
||||
"assert.strictEqual(every([{\"single\": \"yes\"}], \"single\"), true, 'message: <code>every([{\"single\": \"yes\"}], \"single\")</code> should return true');",
|
||||
"assert.strictEqual(every([{\"single\": \"\"}, {\"single\": \"double\"}], \"single\"), false, 'message: <code>every([{\"single\": \"\"}, {\"single\": \"double\"}], \"single\")</code> should return false');",
|
||||
"assert.strictEqual(every([{\"single\": \"double\"}, {\"single\": undefined}], \"single\"), false, 'message: <code>every([{\"single\": \"double\"}, {\"single\": undefined}], \"single\")</code> should return false');",
|
||||
"assert.strictEqual(every([{\"single\": \"double\"}, {\"single\": NaN}], \"single\"), false, 'message: <code>every([{\"single\": \"double\"}, {\"single\": NaN}], \"single\")</code> should return false');"
|
||||
"assert.strictEqual(truthCheck([{\"user\": \"Tinky-Winky\", \"sex\": \"male\"}, {\"user\": \"Dipsy\", \"sex\": \"male\"}, {\"user\": \"Laa-Laa\", \"sex\": \"female\"}, {\"user\": \"Po\", \"sex\": \"female\"}], \"sex\"), true, 'message: <code>truthCheck([{\"user\": \"Tinky-Winky\", \"sex\": \"male\"}, {\"user\": \"Dipsy\", \"sex\": \"male\"}, {\"user\": \"Laa-Laa\", \"sex\": \"female\"}, {\"user\": \"Po\", \"sex\": \"female\"}], \"sex\")</code> should return true.');",
|
||||
"assert.strictEqual(truthCheck([{\"user\": \"Tinky-Winky\", \"sex\": \"male\"}, {\"user\": \"Dipsy\"}, {\"user\": \"Laa-Laa\", \"sex\": \"female\"}, {\"user\": \"Po\", \"sex\": \"female\"}], \"sex\"), false, 'message: <code>truthCheck([{\"user\": \"Tinky-Winky\", \"sex\": \"male\"}, {\"user\": \"Dipsy\"}, {\"user\": \"Laa-Laa\", \"sex\": \"female\"}, {\"user\": \"Po\", \"sex\": \"female\"}], \"sex\")</code> should return false.');",
|
||||
"assert.strictEqual(truthCheck([{\"user\": \"Tinky-Winky\", \"sex\": \"male\", \"age\": 2}, {\"user\": \"Dipsy\", \"sex\": \"male\", \"age\": 0}, {\"user\": \"Laa-Laa\", \"sex\": \"female\", \"age\": 5}, {\"user\": \"Po\", \"sex\": \"female\", \"age\": 4}], \"age\"), false, 'message: <code>truthCheck([{\"user\": \"Tinky-Winky\", \"sex\": \"male\", \"age\": 0}, {\"user\": \"Dipsy\", \"sex\": \"male\", \"age\": 3}, {\"user\": \"Laa-Laa\", \"sex\": \"female\", \"age\": 5}, {\"user\": \"Po\", \"sex\": \"female\", \"age\": 4}], \"age\")</code> should return false.');",
|
||||
"assert.strictEqual(truthCheck([{\"name\": \"Pete\", \"onBoat\": true}, {\"name\": \"Repeat\", \"onBoat\": true}, {\"name\": \"FastFoward\", \"onBoat\": null}], \"onBoat\"), false, 'message: <code>truthCheck([{\"name\": \"Pete\", \"onBoat\": true}, {\"name\": \"Repeat\", \"onBoat\": true}, {\"name\": \"FastFoward\", \"onBoat\": null}], \"onBoat\")</code> should return false');",
|
||||
"assert.strictEqual(truthCheck([{\"name\": \"Pete\", \"onBoat\": true}, {\"name\": \"Repeat\", \"onBoat\": true, \"alias\": \"Repete\"}, {\"name\": \"FastFoward\", \"onBoat\": true}], \"onBoat\"), true, 'message: <code>truthCheck([{\"name\": \"Pete\", \"onBoat\": true}, {\"name\": \"Repeat\", \"onBoat\": true, \"alias\": \"Repete\"}, {\"name\": \"FastFoward\", \"onBoat\": true}], \"onBoat\")</code> should return true');",
|
||||
"assert.strictEqual(truthCheck([{\"single\": \"yes\"}], \"single\"), true, 'message: <code>truthCheck([{\"single\": \"yes\"}], \"single\")</code> should return true');",
|
||||
"assert.strictEqual(truthCheck([{\"single\": \"\"}, {\"single\": \"double\"}], \"single\"), false, 'message: <code>truthCheck([{\"single\": \"\"}, {\"single\": \"double\"}], \"single\")</code> should return false');",
|
||||
"assert.strictEqual(truthCheck([{\"single\": \"double\"}, {\"single\": undefined}], \"single\"), false, 'message: <code>truthCheck([{\"single\": \"double\"}, {\"single\": undefined}], \"single\")</code> should return false');",
|
||||
"assert.strictEqual(truthCheck([{\"single\": \"double\"}, {\"single\": NaN}], \"single\"), false, 'message: <code>truthCheck([{\"single\": \"double\"}, {\"single\": NaN}], \"single\")</code> should return false');"
|
||||
],
|
||||
"isRequired": true,
|
||||
"type": "bonfire",
|
||||
@ -968,29 +968,29 @@
|
||||
"title": "Arguments Optional",
|
||||
"description": [
|
||||
"Create a function that sums two arguments together. If only one argument is provided, then return a function that expects one argument and returns the sum.",
|
||||
"For example, <code>add(2, 3)</code> should return <code>5</code>, and <code>add(2)</code> should return a function.",
|
||||
"For example, <code>addTogether(2, 3)</code> should return <code>5</code>, and <code>addTogether(2)</code> should return a function.",
|
||||
"Calling this returned function with a single argument will then return the sum:",
|
||||
"<code>var sumTwoAnd = add(2);</code>",
|
||||
"<code>var sumTwoAnd = addTogether(2);</code>",
|
||||
"<code>sumTwoAnd(3)</code> returns <code>5</code>.",
|
||||
"If either argument isn't a valid number, return undefined.",
|
||||
"Remember to use <a href='//github.com/FreeCodeCamp/freecodecamp/wiki/How-to-get-help-when-you-get-stuck' target='_blank'>Read-Search-Ask</a> if you get stuck. Try to pair program. Write your own code."
|
||||
],
|
||||
"challengeSeed": [
|
||||
"function add() {",
|
||||
"function addTogether() {",
|
||||
" return false;",
|
||||
"}",
|
||||
"",
|
||||
"add(2,3);"
|
||||
"addTogether(2,3);"
|
||||
],
|
||||
"solutions": [
|
||||
"function add() {\n var a = arguments[0];\n if (toString.call(a) !== '[object Number]') return; \n if (arguments.length === 1) {\n return function(b) {\n if (toString.call(b) !== '[object Number]') return;\n return a + b;\n };\n }\n var b = arguments[1];\n if (toString.call(b) !== '[object Number]') return; \n return a + arguments[1];\n}"
|
||||
"function addTogether() {\n var a = arguments[0];\n if (toString.call(a) !== '[object Number]') return; \n if (arguments.length === 1) {\n return function(b) {\n if (toString.call(b) !== '[object Number]') return;\n return a + b;\n };\n }\n var b = arguments[1];\n if (toString.call(b) !== '[object Number]') return; \n return a + arguments[1];\n}"
|
||||
],
|
||||
"tests": [
|
||||
"assert.deepEqual(add(2, 3), 5, 'message: <code>add(2, 3)</code> should return 5.');",
|
||||
"assert.deepEqual(add(2)(3), 5, 'message: <code>add(2)(3)</code> should return 5.');",
|
||||
"assert.isUndefined(add(\"http://bit.ly/IqT6zt\"), 'message: <code>add(\"http://bit.ly/IqT6zt\")</code> should return undefined.');",
|
||||
"assert.isUndefined(add(2, \"3\"), 'message: <code>add(2, \"3\")</code> should return undefined.');",
|
||||
"assert.isUndefined(add(2)([3]), 'message: <code>add(2)([3])</code> should return undefined.');"
|
||||
"assert.deepEqual(addTogether(2, 3), 5, 'message: <code>addTogether(2, 3)</code> should return 5.');",
|
||||
"assert.deepEqual(addTogether(2)(3), 5, 'message: <code>addTogether(2)(3)</code> should return 5.');",
|
||||
"assert.isUndefined(addTogether(\"http://bit.ly/IqT6zt\"), 'message: <code>addTogether(\"http://bit.ly/IqT6zt\")</code> should return undefined.');",
|
||||
"assert.isUndefined(addTogether(2, \"3\"), 'message: <code>addTogether(2, \"3\")</code> should return undefined.');",
|
||||
"assert.isUndefined(addTogether(2)([3]), 'message: <code>addTogether(2)([3])</code> should return undefined.');"
|
||||
],
|
||||
"type": "bonfire",
|
||||
"MDNlinks": [
|
||||
|
||||
Reference in New Issue
Block a user