locutus
Version:
Locutus other languages' standard libraries to JavaScript for fun and educational purposes
26 lines (25 loc) • 774 B
JavaScript
export function str_shuffle(...providedArgs) {
// discuss at: https://locutus.io/php/str_shuffle/
// original by: Brett Zamir (https://brett-zamir.me)
// example 1: var $shuffled = str_shuffle("abcdef")
// example 1: var $result = $shuffled.length
// returns 1: 6
if (providedArgs.length === 0) {
throw new Error('Wrong parameter count for str_shuffle()');
}
const [input] = providedArgs;
if (input === null) {
return '';
}
let str = String(input);
let newStr = '';
let rand;
let i = str.length;
while (i) {
rand = Math.floor(Math.random() * i);
newStr += str.charAt(rand);
str = str.substring(0, rand) + str.substr(rand + 1);
i--;
}
return newStr;
}