98 lines
4.7 KiB
Markdown
98 lines
4.7 KiB
Markdown
---
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id: 587d7dbf367417b2b2512bbb
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title: Apply a Style Until a Condition is Met with @while
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required:
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- src: 'https://cdnjs.cloudflare.com/ajax/libs/sass.js/0.10.9/sass.sync.min.js'
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raw: true
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challengeType: 0
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---
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## Description
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<section id='description'>
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The <code>@while</code> directive is an option with similar functionality to the JavaScript <code>while</code> loop. It creates CSS rules until a condition is met.
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The <code>@for</code> challenge gave an example to create a simple grid system. This can also work with <code>@while</code>.
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<blockquote>$x: 1;<br>@while $x < 13 {<br> .col-#{$x} { width: 100%/12 * $x;}<br> $x: $x + 1;<br>}</blockquote>
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First, define a variable <code>$x</code> and set it to 1. Next, use the <code>@while</code> directive to create the grid system <i>while</i> <code>$x</code> is less than 13.
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After setting the CSS rule for <code>width</code>, <code>$x</code> is incremented by 1 to avoid an infinite loop.
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</section>
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## Instructions
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<section id='instructions'>
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Use <code>@while</code> to create a series of classes with different <code>font-sizes</code>.
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There should be 10 different classes from <code>text-1</code> to <code>text-10</code>. Then set <code>font-size</code> to 5px multiplied by the current index number. Make sure to avoid an infinite loop!
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</section>
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## Tests
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<section id='tests'>
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```yml
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tests:
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- text: Your code should use the <code>@while</code> directive.
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testString: 'assert(code.match(/@while /g), "Your code should use the <code>@while</code> directive.");'
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- text: Your code should set an index variable to 1 to start.
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testString: 'assert(code.match(/\$.*:\s*?1;/gi), "Your code should set an index variable to 1 to start.");'
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- text: Your code should increment the counter variable.
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testString: 'assert(code.match(/\$(.*):\s*?\$\1\s*?\+\s*?1;/gi), "Your code should increment the counter variable.");'
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- text: Your <code>.text-1</code> class should have a <code>font-size</code> of 5px.
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testString: 'assert($(".text-1").css("font-size") == "5px", "Your <code>.text-1</code> class should have a <code>font-size</code> of 5px.");'
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- text: Your <code>.text-2</code> class should have a <code>font-size</code> of 10px.
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testString: 'assert($(".text-2").css("font-size") == "10px", "Your <code>.text-2</code> class should have a <code>font-size</code> of 10px.");'
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- text: Your <code>.text-3</code> class should have a <code>font-size</code> of 15px.
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testString: 'assert($(".text-3").css("font-size") == "15px", "Your <code>.text-3</code> class should have a <code>font-size</code> of 15px.");'
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- text: Your <code>.text-4</code> class should have a <code>font-size</code> of 20px.
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testString: 'assert($(".text-4").css("font-size") == "20px", "Your <code>.text-4</code> class should have a <code>font-size</code> of 20px.");'
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- text: Your <code>.text-5</code> class should have a <code>font-size</code> of 25px.
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testString: 'assert($(".text-5").css("font-size") == "25px", "Your <code>.text-5</code> class should have a <code>font-size</code> of 25px.");'
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- text: Your <code>.text-6</code> class should have a <code>font-size</code> of 30px.
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testString: 'assert($(".text-6").css("font-size") == "30px", "Your <code>.text-6</code> class should have a <code>font-size</code> of 30px.");'
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- text: Your <code>.text-7</code> class should have a <code>font-size</code> of 35px.
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testString: 'assert($(".text-7").css("font-size") == "35px", "Your <code>.text-7</code> class should have a <code>font-size</code> of 35px.");'
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- text: Your <code>.text-8</code> class should have a <code>font-size</code> of 40px.
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testString: 'assert($(".text-8").css("font-size") == "40px", "Your <code>.text-8</code> class should have a <code>font-size</code> of 40px.");'
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- text: Your <code>.text-9</code> class should have a <code>font-size</code> of 45px.
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testString: 'assert($(".text-9").css("font-size") == "45px", "Your <code>.text-9</code> class should have a <code>font-size</code> of 45px.");'
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- text: Your <code>.text-10</code> class should have a <code>font-size</code> of 50px.
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testString: 'assert($(".text-10").css("font-size") == "50px", "Your <code>.text-10</code> class should have a <code>font-size</code> of 50px.");'
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```
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</section>
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## Challenge Seed
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<section id='challengeSeed'>
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<div id='html-seed'>
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```html
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<style type='text/sass'>
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</style>
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<p class="text-1">Hello</p>
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<p class="text-2">Hello</p>
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<p class="text-3">Hello</p>
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<p class="text-4">Hello</p>
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<p class="text-5">Hello</p>
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<p class="text-6">Hello</p>
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<p class="text-7">Hello</p>
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<p class="text-8">Hello</p>
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<p class="text-9">Hello</p>
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<p class="text-10">Hello</p>
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```
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</div>
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</section>
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## Solution
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<section id='solution'>
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```js
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// solution required
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```
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</section>
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