User:SG/NavFrame test

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
<script type="text/javascript">
// <![CDATA[
function testFunction (n, f) {
        var start = new Date();
        for (var i = 0; i < n; i++) { f(); }
        return new Date().getTime() - start.getTime();
}

function compareAll (n, funcs) {
        var fns = new Array();
        var times = {};

        document.write("<ul>");
        for (var fn in funcs) {
                var f = funcs[fn];
                if (f) {
                        var t = testFunction(n, f);
                        fns.push(fn);
                        times[fn] = t;
                        document.write("<li>" + fn + " x " + n + ": " + t + " ms</li>");
                }
        }
        document.write("</ul>");

        fns.sort(function (a, b) { return times[b] - times[a]; });

        document.write("<table border=1>");
        document.write("<tr>");
        document.write("<th> </th>");
        document.write("<th>Rate</th>");
        for (var i in fns) {
                var fn = fns[i];
                document.write("<th>" + fn + "</th>");
        }
        document.write("</tr>");
        for (var i in fns) {
                var fn = fns[i];
                var ft = times[fn];

                document.write("<tr>");
                document.write("<th>" + fn + "</th>");
                document.write("<td>" + Math.round(n / (times[fn] / 1000)) + "/s</td>");

                for (var j in fns) {
                        var fn2 = fns[j];

                        var cmp;
                        if (fn == fn2) {
                                cmp = "--";
                        } else {
                                var ft2 = times[fn2];
                                var diff = (ft2 - ft) / ft2;
                                cmp = (diff > 0 ? "+" : "");
                                cmp += Math.round(1000 * diff) / 10;
                                cmp += "%";
                        }

                        document.write("<td>" + cmp + "</td>");
                }

                document.write("</tr>");
        }
        document.write("</table>");
}
//]]>
</script>
</head>
<body>
<div id="test" class="a b c d e f g h i"/>

<script type="text/javascript">
// <![CDATA[
var hasClass1 = (function () {
        var reCache1 = {};
        function getRegex(className) {
                if (reCache1[className]) return reCache1[className];

                var re = new RegExp("(?:\\s|^)" + className + "(?:\\s|$)");
                reCache1[className] = re;
                return re;
        }

        return function (element, className) {
                return element.className.match(getRegex(className));
        };
})();

function hasClass2 (element, className) {
        return element.className.match(
                new RegExp("(?:\\s|^)" + className + "(?:\\s|$)"));
}

function hasClass3 (element, className) {
  var Classes = element.className.split( " " );
  for ( var i = 0; i < Classes.length; i++ ) {
        if ( Classes[i] == className ) {
          return ( true );
        }
  }
  return ( false );
}

var hasClass4 = (function () {
        var reCache2 = {};
        return function (element, className) {
                var re = reCache2[className];
                if (!re) {
                        re = new RegExp("(?:\\s|^)" + className + "(?:\\s|$)");
                        reCache2[className] = re;
                }

                return element.className.match(re);
        };
})();

function hasClass5 (element, className) {
        return element.className.match(
                new RegExp("(\\s|^)" + className + "(\\s|$)"));
}

var hasClass9 = (function () {
        var reCache6 = {};
        return function (element, className) {
                return (reCache6[className] ? reCache6[className] : (reCache6[className] = new RegExp("(?:\\s|^)" + className + "(?:\\s|$)"))).test(element.className);
        };
})();

var test = document.getElementById("test");

compareAll(10000, {
        "re+cache": function () { hasClass1(test, String.fromCharCode(97 + Math.round(Math.random() * 25))) },
        "re+nocache": function () { hasClass2(test, String.fromCharCode(97 + Math.round(Math.random() * 25))) },
        "split": function () { hasClass3(test, String.fromCharCode(97 + Math.round(Math.random() * 25))) },
        "re+nocache+capture": function () { hasClass5(test, String.fromCharCode(97 + Math.round(Math.random() * 25))) },
        //"re+literal": function () { test.className.match(/(?:^|\s)d(?:$|\s)/) },
        "re+cache+onefunc4": function () { hasClass4(test, String.fromCharCode(97 + Math.round(Math.random() * 25))) },
        "re+cache+onefunc9": function () { hasClass9(test, String.fromCharCode(97 + Math.round(Math.random() * 25))) }
});
//]]>
</script>
</body>
</html>
User:SG/NavFrame test

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