38 lines
680 B
Markdown
38 lines
680 B
Markdown
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---
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title: Soundex
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---
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# Soundex
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---
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## Solutions
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<details><summary>Solution 1 (Click to Show/Hide)</summary>
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```javascript
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function soundex(s) {
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var a = s.toLowerCase().split('')
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var f = a.shift(),
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r = '',
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codes = {
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a: '', e: '', i: '', o: '', u: '',
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b: 1, f: 1, p: 1, v: 1,
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c: 2, g: 2, j: 2, k: 2, q: 2, s: 2, x: 2, z: 2,
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d: 3, t: 3,
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l: 4,
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m: 5, n: 5,
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r: 6
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};
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r = f + a
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.map(function(v, i, a) {
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return codes[v]
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})
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.filter(function(v, i, a) {
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return ((i === 0) ? v !== codes[f] : v !== a[i - 1]);
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})
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.join('');
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return (r + '000').slice(0, 4).toUpperCase();
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}
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```
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</details>
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