gistfile1.txt

var isSubsequence = function(s, t) {
  let slit = s.split(''); 
  for ( let i = 0 ; i < slit.length ; i ++ ) {
  	if ( !t.includes(slit[i]) ) {
  		return false;
  	}
  }    
  return true;
};


// let sr = "abc";
// let tr = "ahbgdc";

// //true


// let s = "axc";
// let t = "ahbgdc";

// //Return false.

// console.log(isSubsequence(sr, tr)); 
// console.log(isSubsequence(s, t)); 



var frequencySort = function(string) {
  let letterArray = string.split('');
  let results = {};
  
  for ( let i = 0 ; i < letterArray.length; i ++ ) {
  	if ( Object.keys(results).includes(letterArray[i] ) ) {
  		results[letterArray[i]] += 1;
  	} else {
  		results[letterArray[i]] = 1;
  	}
  }
  
  let largest = Object.values(results).sort().reverse();
  let final = [];
  let j = 0;

  while ( j < largest.length ){
  for ( let key in results ) {
  	  if ( results[key] === largest[j] ) {
		for ( let k = 0 ; k < largest[j] ; k ++ ) {
			final.push(key);
		}
		j++;
  	  }
    }
  }
  return final.join('');  

};

// var word = "tree";
// var anwser = "eetr";

// let word2 = "Aabb";
// let anwser2 = "bbAa";



// console.log(frequencySort(word) === anwser); 

// console.log(frequencySort(word2) === anwser2);