Update hexcode-to-RGB.md

snippets/hexcode-to-RGB.md

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 ### Hexcode to RGB
 
-Converts hexadecimal colorcodes to RGB colorcodes by matching the hexidecimal (two-digit) red, green and blue values and 
-mapping their decimal equivalents to an array [r, g, b]. Returns a string `rgb(r,g,b)`.
+Use `Array.slice()`, `Array.map()` and `match()` to convert a hexadecimal colorcode (prefixed with `#`) to a string with the RGB values.
 
 ```js
 const hexToRgb = hex => `rgb(${hex.slice(1).match(/.{2}/g).map(x => parseInt(x, 16)).join()})`
 // hexToRgb('#27ae60') -> 'rgb(39,174,96)'
-// hexToRgb('#aaa') -> '[170, 170, 170]'
 ```