var i = 0;
function titleCase(str) {
var little = str.toLowerCase();
var words = str.split(" ");while (i<words.length){
words.replace( words[i].charAt(0).toUpperCase(),words[i].charAt(0));
i++;
}
var joined=words.join();
return joined;
}
titleCase(“I’m a little tea pot”);
Why is my code wrong?