Title Case a Sentence W/ JS:

JS_TitleCaseSentences.txt

Examples:

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Split and loop method:
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function titleCase(str) {
  var newstr = str.split(" ");
  for(i=0;i<newstr.length;i++){
    if(newstr[i] == "") continue;
    var copy = newstr[i].substring(1).toLowerCase();
    newstr[i] = newstr[i][0].toUpperCase() + copy;
  }
   newstr = newstr.join(" ");
   return newstr;
}  

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


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Mapping:
------------------------------------------------------------
function titleCase(str) {
  /* Get everything in LC format, split by spaces, 
     and map each word from the split to return an uppercase
     from the index 0 character that's concatinated with a
     split from index 1 to the end of the array */
  return str.toLowerCase().split(' ').map(function(word) {
    return (word.charAt(0).toUpperCase() + word.slice(1));
  }).join(' ');
}
titleCase("I'm a little tea pot");