AlgoDaily - Generate All String Permutations

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var assert = require('assert');
​
function permutations(str) {
  // Fill in this method
  return str;
}
​
console.log(permutations('abc'));
​
try {
  assert.deepEqual(permutations('abc'), [
    'abc',
    'acb',
    'bac',
    'bca',
    'cab',
    'cba',
  ]);
​
  console.log(
    'PASSED: ' +
      "assert.deepEqual(permutations('abc'), ['abc', 'acb', 'bac', 'bca', 'cab', 'cba'])"
  );
} catch (err) {
  console.log(err);
}
​

OUTPUT

Results will appear here.