1.8 KiB
1.8 KiB
id, title, challengeType, videoUrl, forumTopicId, localeTitle
id | title | challengeType | videoUrl | forumTopicId | localeTitle |
---|---|---|---|---|---|
56533eb9ac21ba0edf2244ad | Decrement a Number with JavaScript | 1 | https://scrimba.com/c/cM2KeS2 | 17558 | Уменьшить число с помощью JavaScript |
Description
--
. i--;
эквивалентно i = i - 1;
Обратите внимание: вся строка становится
i--;
, и отпадает необходимость в знаке равенства.
Instructions
--
с myVar
.
Tests
tests:
- text: <code>myVar</code> should equal <code>10</code>
testString: assert(myVar === 10);
- text: <code>myVar = myVar - 1;</code> should be changed
testString: assert(/var\s*myVar\s*=\s*11;\s*\/*.*\s*([-]{2}\s*myVar|myVar\s*[-]{2});/.test(code));
- text: Use the <code>--</code> operator on <code>myVar</code>
testString: assert(/[-]{2}\s*myVar|myVar\s*[-]{2}/.test(code));
- text: Do not change code above the line
testString: assert(/var myVar = 11;/.test(code));
Challenge Seed
var myVar = 11;
// Only change code below this line
myVar = myVar - 1;
After Tests
(function(z){return 'myVar = ' + z;})(myVar);
Solution
var myVar = 11;
myVar--;