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updating description to address slice() part functionality

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iamsoorena
2017-12-17 01:08:34 +03:30
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snippets/3-digit-hexcode-to-6-digit-hexcode.md
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### 3-digit hexcode to 6-digit hexcode
Use `Array.map()`, `split()` and `Array.join()` to join the mapped array for converting a three-digit RGB notated hexadecimal colorcode to the six-digit form.
Use `Array.map()`, `split()` and `Array.join()` to join the mapped array for converting a three-digit RGB notated hexadecimal color-code to the six-digit form.
`Array.slice()` is used to remove `#` from string start since it's added once.
```js
const convertHex = shortHex =>
'#' + shortHex.slice(shortHex.startsWith('#') ? 1 : 0).split().map(x => x+x).join()