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92 lines
2.1 KiB
92 lines
2.1 KiB
<!DOCTYPE html>
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<html>
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<head>
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<meta name="viewport" id="vp" content="initial-scale=1.0,user-scalable=no,maximum-scale=1,width=device-width" />
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<link rel="stylesheet" href="../../dist/leaflet.css" />
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<script src="../leaflet-include.js"></script>
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<meta charset="utf-8">
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<title>Leaflet test for event adding/firing/removing performance</title>
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</head>
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<body>
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<script>
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function benchmark(name, fn, setup) {
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//warmup
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for (var i = 0; i < 100; i++) {
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if (setup) {
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setup();
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}
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fn();
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}
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var t = 0;
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for (var i = 0; i < 100; i++) {
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if (setup) {
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setup();
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}
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var t0 = performance.now();
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fn();
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t += performance.now() - t0;
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}
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console.log(name, (t / 100) + ' ms/run');
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}
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var fn = function (e) {called += e.count;},
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fns = [],
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called = 0;
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for (var p = 0; p < 1000; p++) {
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fns.push((function(p) { return function(e) { called += p;}; }));
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}
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benchmark('Adding same fn', function() {
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var obj = new L.Evented();
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var t0 = performance.now();
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for (var p = 0; p < 1000; p++) {
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obj.on('test', fn);
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}
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});
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benchmark('Adding different fn', function() {
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var obj = new L.Evented();
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var fn = function () {};
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var t0 = performance.now();
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for (var p = 0; p < 1000; p++) {
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obj.on('test', fns[p]);
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}
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});
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var obj = new L.Evented();
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var fn = function () {};
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var t0 = performance.now();
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for (var p = 0; p < 1000; p++) {
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obj.on('test', (function(p) { return function() { var x = 2 + p; }})(p));
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}
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benchmark('Fire', function() {
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for (var p = 0; p < 1000; p++) {
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obj.fire('test');
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}
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});
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benchmark('Off', function() {
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var obj = new L.Evented();
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var fn = function () {};
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var t0 = performance.now();
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for (var p = 0; p < 1000; p++) {
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obj.on('test', fns[p]);
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}
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}, function() {
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fns = [];
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var obj = new L.Evented();
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var t0 = performance.now();
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for (var p = 0; p < 1000; p++) {
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var fn = (function(p) { return function() { var x = 2 + p; }})(p);
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fns.push(fn);
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obj.on('test', fn);
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}
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});
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</script>
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</body>
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</html>
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