Travis build: 391
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@ -6,10 +6,15 @@ Use `Array.map()`, `split()` and `Array.join()` to join the mapped array for con
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`String.slice()` is used to remove `#` from string start since it's added once.
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```js
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const extendHex = shortHex =>
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'#' + shortHex.slice(shortHex.startsWith('#') ? 1 : 0).split('').map(x => x + x).join('');
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'#' +
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shortHex
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.slice(shortHex.startsWith('#') ? 1 : 0)
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.split('')
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.map(x => x + x)
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.join('');
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```
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```js
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extendHex('#03f') // '#0033ff'
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extendHex('05a') // '#0055aa'
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extendHex('#03f'); // '#0033ff'
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extendHex('05a'); // '#0055aa'
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```
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