[JS Practice] Sort characters

Title :

Sort characters

Description:

Write a function called sortGiftCode (sort_gift_code in Ruby) that accepts a string containing up to 26 unique alphabetical characters, and returns a string containing the same characters in alphabetical order.

Examples:

sortGiftCode( 'abcdef' );//=> returns 'abcdef'
sortGiftCode( 'pqksuvy' );//=> returns 'kpqsuvy'
sortGiftCode( 'zyxwvutsrqponmlkjihgfedcba' );
//=> returns 'abcdefghijklmnopqrstuvwxyz'

My solution :

function sortGiftCode(code){
  return code.split('').sort().join('');
}

To sort a string, we should split it into array.

Ref. from codewars

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