How to auto-submit form after entering text of certain length into input field

Question

I am looking for an auto-submit function for my form which should submit it once user enters text of certain length (lets say 15 chars) into an input field.

Is ther

Answer 1

Here is the way I would approach this. This also takes into account the user copying and pasting into the input area.

Jsfiddle -> http://jsfiddle.net/PgzrU/4/

Code below:

var max = 15;
$('input').change(function(e)
{  
  if ($(this).val().length > max) { alert('form fired') }
}).keyup(function(e)
{  
  if ($(this).val().length > max) { alert('form fired') }
});​