andre/30-seconds-of-code
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removing duplicate code and converting it to one line using shortHex.startsWith('#') ? 1 : 0

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making function more terse removing unnecessary empty strings.
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iamsoorena
2017-12-17 01:05:53 +03:30
parent 3f4af69faf
commit 7667f0d975
1 changed files with 1 additions and 2 deletions
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snippets/3-digit-hexcode-to-6-digit-hexcode.md
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@ -4,8 +4,7 @@ Use `Array.map()`, `split()` and `Array.join()` to join the mapped array for con
```js
const convertHex = shortHex =>
shortHex[0] == '#' ? ('#' + shortHex.slice(1).split('').map(x => x+x).join('')) :
('#' + shortHex.split('').map(x => x+x).join(''));
'#' + shortHex.slice(shortHex.startsWith('#') ? 1 : 0).split().map(x => x+x).join()
// convertHex('#03f') -> '#0033ff'
// convertHex('05a') -> '#0055aa'
```