Convert string to title case with JavaScript

javascript title-case
MDCore picture MDCore · Oct 13, 2008 · Viewed 414.6k times · Source

Is there a simple way to convert a string to title case? E.g. john smith becomes John Smith. I'm not looking for something complicated like John Resig's solution, just (hopefully) some kind of one- or two-liner.

Answer

Greg Dean picture Greg Dean · Oct 13, 2008

Try this:

function toTitleCase(str) {
  return str.replace(
    /\w\S*/g,
    function(txt) {
      return txt.charAt(0).toUpperCase() + txt.substr(1).toLowerCase();
    }
  );
}
<form>
  Input:
  <br /><textarea name="input" onchange="form.output.value=toTitleCase(this.value)" onkeyup="form.output.value=toTitleCase(this.value)"></textarea>
  <br />Output:
  <br /><textarea name="output" readonly onclick="select(this)"></textarea>
</form>

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