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id, title, challengeType, forumTopicId, dashedName
| id | title | challengeType | forumTopicId | dashedName |
|---|---|---|---|---|
| 56533eb9ac21ba0edf2244ad | Decrement a Number with JavaScript | 1 | 17558 | decrement-a-number-with-javascript |
--description--
You can easily decrement or decrease a variable by one with the -- operator.
i--;
is the equivalent of
i = i - 1;
Note: The entire line becomes i--;, eliminating the need for the equal sign.
--instructions--
Change the code to use the -- operator on myVar.
--hints--
myVar should equal 10.
assert(myVar === 10);
myVar = myVar - 1; should be changed.
assert(!__helpers.removeJSComments(code).match(/myVar\s*=\s*myVar\s*[-]\s*1.*?;?/));
You should not assign myVar with 10.
assert(!__helpers.removeJSComments(code).match(/myVar\s*=\s*10.*?;?/));
You should use the -- operator on myVar.
assert(/[-]{2}\s*myVar|myVar\s*[-]{2}/.test(__helpers.removeJSComments(code)));
You should not change code above the specified comment.
assert(/let myVar = 11;/.test(__helpers.removeJSComments(code)));
--seed--
--seed-contents--
let myVar = 11;
// Only change code below this line
myVar = myVar - 1;
--solutions--
let myVar = 11;
myVar--;