Bug Tracker

Ticket #5921: test.html
File test.html, 4.0 KB (added by szopen, January 24, 2010 09:11PM UTC)
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="pl" lang="pl">
  <head>
    <title>jQuery 1.4 speed test</title>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <script src="jquery-1.4.min.js" type="text/javascript"></script>
    <script type="text/javascript">
     $(function() {
	   var w1=[0,0,0,0,0,0];
	   var slice, startTime,endTime;
	   var rep = 10000;
       $('h1').each( function() {
	    var ver = 0;
	    // Version 1
	    slice = [];
		startTime = new Date().getTime();
		for ( var i = 0; i < rep; ++i )
		{
			var obj = $(this).parent().children();
			var start = obj.index(this) + 1;
			var end   = obj.index($(this).nextAll('h1:first'));
			if ( end == -1 ) {
				slice = obj.slice(start);
			} else {
				slice = obj.slice(start,end);
			}		
		}
		endTime = new Date().getTime();
		w1[ver++] += endTime-startTime;

	    // Version 2 -- 1.4 only
	    slice = [];
		startTime = new Date().getTime();
		if (jQuery.fn.jquery == "1.4") {
			for ( var i = 0; i < rep; ++i )
			{
				var start = $(this).index() + 1;
				var end   = $(this).nextAll('h1:first').index();
				if ( end == -1 ) {
					slice = $(this).parent().children().slice(start);
				} else {
					slice = $(this).parent().children().slice(start,end);
				}
			}
		}
		endTime = new Date().getTime();
		w1[ver++] += endTime-startTime;

	    // Version 3
	    slice = [];
		startTime = new Date().getTime();
		for ( var i = 0; i < rep; ++i )
		{
			slice = $(this).nextAll().not($(this).nextAll('h1:eq(0)').nextAll().andSelf());
		}
		endTime = new Date().getTime();
		w1[ver++] += endTime-startTime;

	    // Version 4, only simple selectors, possibly non cross-browser
	    slice = [];
		startTime = new Date().getTime();
		for ( var i = 0; i < rep; ++i )
		{
			var elm = this;
			while (elm = elm.nextSibling) {
				if ( elm.nodeType == 1 ) {
					if ( elm.tagName == 'H1' ) break;
					slice.push(elm);
				}
			}
		}
		endTime = new Date().getTime();
		w1[ver++] += endTime-startTime;

	    // Version 5, jQuery selector, possibly non cross-browser
	    slice = [];
		startTime = new Date().getTime();
		for ( var i = 0; i < rep; ++i )
		{
			var elm = this;
			slice = [];
			while (elm = elm.nextSibling) {
				if ( elm.nodeType == 1 ) {
					if ( $(elm).is('h1') ) break;
					slice.push(elm);
				}
			}
		}
		endTime = new Date().getTime();
		w1[ver++] += endTime-startTime;

	    // Version 6, new jQuery 1.4 method
	    slice = [];
		startTime = new Date().getTime();
		if (jQuery.fn.jquery == "1.4") {
			for ( var i = 0; i < rep; ++i )
			{
				slice = $(this).nextUntil('h1');
			}
		}
		endTime = new Date().getTime();
		w1[ver++] += endTime-startTime;		
	   });
	   alert(w1);
     });
	 /*
	 All on Win2008R2 x64
	 jQuery 1.4.min
	 Method #          :   1    2    3   4     5    6
	 Firefox 3.6       : 4675,6692,6282,168, 6260,13187 | 4<1<5<3<2<6
	 Opera 10.10       : 6518,9260,8385,231,10205,21853 | 4<1<3<2<5<6
	 Chrome 3.0.195.38 : 2870,4225,3487,126, 3979,8429  | 4<1<3<5<2<6
	 
	 jQuery 1.3.2.min
	 Method #          :   1    2    3   4     5    6
	 Firefox 3.6       : 4957,   x,6490,294, 5908,    x | 4<1<5<3
	 Opera 10.10       : 6400,   x,8096,197, 8313,    x | 4<1<3<5
	 Chrome 3.0.195.38 : 2399,   x,2987,162, 3317,    x | 4<1<3<5
	 */
    </script>
  </head>
<body>
  <h1>Section 1</h1>
  <p>Content</p>
  <h2>Subsection 1.1</h2>
  <p>Content</p>
  <h2>Subsection 1.2</h2>
  <p>Content</p>
  <h2>Subsection 1.3</h2>
  <p>Content</p>
  <h1>Section 2</h1>
  <p>Content</p>
  <h2>Subsection 2.1</h2>
  <p>Content</p>
  <h2>Subsection 2.2</h2>
  <p>Content</p>
  <h1>Section 3</h1>
  <p>Content</p>
  <h2>Subsection 3.1</h2>
  <p>Content</p>
  <h2>Subsection 3.2</h2>
  <p>Content</p>
  <h2>Subsection 3.3</h2>
  <p>Content</p>
  <h2>Subsection 3.4</h2>
  <p>Content</p>
</body>
</html>

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