99 lines
2.8 KiB
Markdown
99 lines
2.8 KiB
Markdown
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---
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id: bad87fee1348bd9aec908857
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title: Use Comments to Clarify Code
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challengeType: 0
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forumTopicId: 18347
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dashedName: use-comments-to-clarify-code
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---
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# --description--
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When we start using jQuery, we will modify HTML elements without needing to actually change them in HTML.
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Let's make sure that everyone knows they shouldn't actually modify any of this code directly.
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Remember that you can start a comment with `<!--` and end a comment with `-->`
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Add a comment at the top of your HTML that says `Code below this line should not be changed`
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# --hints--
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You should start a comment with `<!--` at the top of your HTML.
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```js
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assert(code.match(/^\s*<!--/));
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```
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Your comment should have the text `Code below this line should not be changed`.
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```js
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assert(code.match(/<!--(?!(>|->|.*-->.*this line))\s*.*this line.*\s*-->/gi));
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```
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You should close your comment with `-->`.
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```js
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assert(code.match(/-->.*\n+.+/g));
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```
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You should have the same number of comment openers and closers.
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```js
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assert(code.match(/<!--/g).length === code.match(/-->/g).length);
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```
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# --seed--
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## --seed-contents--
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```html
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<div class="container-fluid">
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<h3 class="text-primary text-center">jQuery Playground</h3>
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<div class="row">
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<div class="col-xs-6">
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<h4>#left-well</h4>
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<div class="well" id="left-well">
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<button class="btn btn-default target" id="target1">#target1</button>
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<button class="btn btn-default target" id="target2">#target2</button>
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<button class="btn btn-default target" id="target3">#target3</button>
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</div>
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</div>
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<div class="col-xs-6">
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<h4>#right-well</h4>
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<div class="well" id="right-well">
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<button class="btn btn-default target" id="target4">#target4</button>
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<button class="btn btn-default target" id="target5">#target5</button>
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<button class="btn btn-default target" id="target6">#target6</button>
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</div>
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</div>
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</div>
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</div>
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```
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# --solutions--
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```html
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<!-- Code below this line should not be changed -->
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<div class="container-fluid">
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<h3 class="text-primary text-center">jQuery Playground</h3>
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<div class="row">
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<div class="col-xs-6">
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<h4>#left-well</h4>
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<div class="well" id="left-well">
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<button class="btn btn-default target" id="target1">#target1</button>
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<button class="btn btn-default target" id="target2">#target2</button>
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<button class="btn btn-default target" id="target3">#target3</button>
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</div>
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</div>
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<div class="col-xs-6">
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<h4>#right-well</h4>
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<div class="well" id="right-well">
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<button class="btn btn-default target" id="target4">#target4</button>
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<button class="btn btn-default target" id="target5">#target5</button>
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<button class="btn btn-default target" id="target6">#target6</button>
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</div>
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</div>
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</div>
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</div>
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```
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