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[bug] change Array.slice() for String.slice()

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useage:  Array.slice() should be changed to String.slice()
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lvzhenbang
2017-12-24 17:50:24 +08:00
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parent 7dee250830
commit 991413242c
1 changed files with 1 additions and 1 deletions
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snippets/extendHex.md
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@ -3,7 +3,7 @@
Extends a 3-digit color code to a 6-digit color code. Extends a 3-digit color code to a 6-digit color code.
Use `Array.map()`, `split()` and `Array.join()` to join the mapped array for converting a 3-digit RGB notated hexadecimal color-code to the 6-digit form. Use `Array.map()`, `split()` and `Array.join()` to join the mapped array for converting a 3-digit RGB notated hexadecimal color-code to the 6-digit form.
`Array.slice()` is used to remove `#` from string start since it's added once. `String.slice()` is used to remove `#` from string start since it's added once.
```js ```js
const extendHex = shortHex => const extendHex = shortHex =>
'#' + shortHex.slice(shortHex.startsWith('#') ? 1 : 0).split('').map(x => x+x).join('') '#' + shortHex.slice(shortHex.startsWith('#') ? 1 : 0).split('').map(x => x+x).join('')