I feel like this should work but it just returns all lower case. Any suggestions?

Tell us what’s happening:

Your code so far

function titleCase(str) {
  strLower = str.toLowerCase();
  strArray = strLower.split (" ");
  for (i = 0; i < strArray.length; i++){
  return strArray.join(" ");

titleCase("I'm a little tea pot");

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Link to the challenge:

String functions like toUpperCase - return a new string - they do not modify the existing string.
It is important to recall that strings are immutable in javascript.
You need to assign the return of the function toUpperCase to a variable or it is lost.