stringpermutations.js

function generatePermutations(str) {
  let result = [];

  function permute(str, prefix = '') {
    if (str.length === 0) {
      result.push(prefix);
    } else {
      for (let i = 0; i < str.length; i++) {
        let char = str[i];
        let remaining = str.slice(0, i) + str.slice(i + 1);
        permute(remaining, prefix + char);
      }
    }
  }

  permute(str);

  return result;
}

// To use this function, simply call it with a string:

let str = 'abc';
let permutations = generatePermutations(str);
console.log(permutations); // prints ["abc", "acb", "bac", "bca", "cab", "cba"]