не работает функция JS

var LinesArray = ["abcd","efg", "hrh"], 
	password = "213efg123", 
	testValidity = function(){ 
		var resultat = true; 
		for (var i = 0; i < LinesArray.length; i++) { 
			var reg = new RegExp(LinesArray[i]); 
			if(reg.test(password)){ 
				resultat = false; 
				break; 
			} 
      } 
      return resultat; 
    }; 
console.log(testValidity());

var linesArray = ["abcd", "efg", "hrh"]; 
var password = "213efg123" 
var resultat = true; 
var testValidity = function() { 
  for (let i = 0; i < linesArray.length; i++) { 
    let arr = linesArray[i]; 
    let str = password; 
    let test = str.indexOf(arr.toString()); 
    if (test > -1) { 
      resultat = false 
      break; 
    } 
  } 
  return resultat; //перенос return 
}; 
 
console.log(testValidity());

var linesArray = ["abcd", "efg", "hrh"]; 
var password = "213efg123" 
var testValidity = function(pwd, lines) { 
  return !lines.some(line => pwd.indexOf(line) > -1); 
} 
 
console.log(testValidity(password, linesArray));