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">
<div class="parent">
    <div class="child">Click Me!</div>
    <div class="child">Click Me!</div>
    <div class="child">Click Me!</div>
    <div class="child">Click Me!</div>
</div>

CSS

.child { border: solid 1px #ddd; padding: 3px; }

JavaScript

$(".child").click(function() {
  alert("Index: " + $(this).index());
});