SOURCE

//自己解法

const scramble = (str1, str2) => (str2.split('').filter(ele => str1.indexOf(ele) < 0) == '')? true : false 

//大佬解法


setInterval

describe('Intial Tests', function(){
  Test.assertEquals(scramble('rkqodlw','world'),true);
  Test.assertEquals(scramble('cedewaraaossoqqyt','codewars'),true);
  Test.assertEquals(scramble('katas','steak'),false);
  Test.assertEquals(scramble('scriptjava','javascript'),true);
  Test.assertEquals(scramble('scriptingjava','javascript'),true);
  Test.assertEquals(scramble('scriptsjava','javascripts'),true);
  Test.assertEquals(scramble('jscripts','javascript'),false);
  Test.assertEquals(scramble('aabbcamaomsccdd','commas'),true);
});