SO jQuery Fiddle

Test Fiddle mainly for SO Questions jQuery 1.4.3, UI 1.8.5

by Nick Craver

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.5/themes/ui-lightness/jquery-ui.css">
<script src="http://examplet.buss.hk/js/jquery.caret.min.js"></script>
<input id="myTextInput" type="text" value="some text" >
<p>Current position: <span>0</span></p>

JavaScript

$("#myTextInput").bind("keydown keypress mousemove", function() {
  $("span").text($(this).caret().start);
});