palindrome_javascript

var letters = [];
var rword = "";
putstr("Enter a sentence: ");
var sentence = readline();
var sword = "";
for (var i = 0; i < sentence.length; i++) {
   if (sentence[i] == " ") {
      ;
   }
   else {
      sword += sentence[i];
   }
}
for (var i = 0; i < sword.length; i++) {
   letters.push(sword[i]);
}
while (letters.length > 0) {
   rword += letters.pop();
}
if (rword === sword) {
   print(sentence + " is a palindrome.");
}
else {
   print(sentence + " is not a palindrome.");
}


Here are a couple of runs of the new program:
 
Enter a sentence: a man a plan a canal panama
amanaplanacanalpanama is a palindrome.
 
Enter a sentence: now is the time for all good people
nowisthetimeforallgoodpeople is not a palindrome.