Update keyFinder.js

Made 2 changes to optimize the match results:
1. use a loop to find the next digit of wordbank element and compare with outStr's digit
2. this part need to be optimize with the calculation of the number of occurance of word's probabilities

Author: winsonrich

Ciphers/keyFinder.js

@@ -8,11 +8,17 @@ function keyFinder(str){ // str is used to get the input of encrypted string
  	//var shiftNum = 0; //count the number of key shifted
 	var inStr = str.toString(); //convert the input to String
 	var outStr = ""; // store the output value
+	var wordInOutStr = ""; // temporary store the word inside the outStr, it is used for comparison
  	//document.getElementById("debug").innerHTML = shiftNum; // debug: display the shifted number(s) 
  	for (var i=0; i<(52); i++){ //try the number of key shifted, the sum of character from a-z and A-Z is 26*2=52
 		outStr = caesarCipherEncodeAndDecodeEngine(inStr,i); // use the encrytpion engine to decrypt the input string, shiftNum=i
 		for ( var i=0; i<wordbank.length; i++){
-			if (wordbank[i] == outStr[i]+outStr[i+1]{
+			// use a loop to find the next digit of wordbank element and compare with outStr's digit
+			for ( var j=0; j < wordbank[i].length; j++){
+				wordInOutStr += outStr[i+j];
+			}
+			// this part need to be optimize with the calculation of the number of occurance of word's probabilities
+			if (wordbank[i] == wordInOutStr){
         			key=i;
 			}
 		}