<div class="bar">div class="bar"</div>

<div class="bar-baz">div class="bar-baz"</div>

<div class="bar ">div class="bar "</div>

<div class=" bar ">div class=" bar "</div>

<div class="bar baz">div class=" bar baz"</div>

<div class="bar2 baz">div class=" bar2 baz"</div>

<div class="foo">div class="foo"</div>

<div class="foo" id="bar">div class="foo" id="bar"</div>

<div class="foo bar baz">div class="foo bar baz"</div>

<p class="bar">p class="bar"</p>

<button id="demo-run">run</button>

<script>

YUI().use('node', 'profiler', function (Y) {

Y.one('#demo-run').on('click', function(){

Y.Profiler.registerObject("Y.Node", Y.Node);

Y.Profiler.registerObject("Y.DOM", Y.DOM);

var results = Y.Node.all('.bar');

results.addClass("newclass");

var report = Y.Profiler.getFullReport(function(data){

return data.calls > 0;

});

Y.Profiler.unregisterObject("Y.Node");

Y.Profiler.unregisterObject("Y.DOM");

//output results

var msg = "";

for (var func in report){

msg += (func + "(): Called " + report[func].calls + " times. Avg: " +

report[func].avg + ", Min: " + report[func].min + ", Max: " + report[func].max) + "\n";

}

alert(msg);

});

});

</script>