JSFiddle - React, Tailwind, and code Playground

by Alimin

JavaScript

const alphabet = [
  ...'abcdefghijklmnopqrstuvwxyz',      // a-z
  ...'ABCDEFGHIJKLMNOPQRSTUVWXYZ',
  ...'1234567890',      // A-Z
  ...Array.from({ length: 11 }, (_, i) => String(i)) // "0" s.d. "10"
];

var permutattionTarget="alimin112";

for (let i = 0; i < permutattionTarget.length; i++) {
  //console.log(permutattionTarget[i]);
  for(var j=i; j <= alphabet.length-1; j--){
      console.log(alphabet[i]);
  }
}
//console.log('Panjang array:', alphabet.length); // 26 + 26 + 11 = 63