Valid string.js

/*
Description:
You are given an array of valid words and a string. Test if the string is made up by one or more words from the array. For example:

string[] dictionary = ["code", "wars"]; 

string s = "codewars"; // true 

string s1 = "codewar"; // false
*/
var validWord = function(d, word) {
d=d.sort((a,b)=>a.length-b.length)
for (let i=0;i<d.length;i++){
   word=word.replace(new RegExp(d[i],'g'),'')
 }
 return !word.length
};