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December 4, 2017 05:50
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String / RegExp operations (http://jsbench.github.io/#9f7f6df6b0e90fc2e1a3b94384e5b2dc) #jsbench #jsperf
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"/> | |
| <title>String / RegExp operations</title> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/benchmark/1.0.0/benchmark.min.js"></script> | |
| <script src="./suite.js"></script> | |
| </head> | |
| <body> | |
| <h1>Open the console to view the results</h1> | |
| <h2><code>cmd + alt + j</code> or <code>ctrl + alt + j</code></h2> | |
| </body> | |
| </html> |
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| "use strict"; | |
| (function (factory) { | |
| if (typeof Benchmark !== "undefined") { | |
| factory(Benchmark); | |
| } else { | |
| factory(require("benchmark")); | |
| } | |
| })(function (Benchmark) { | |
| var suite = new Benchmark.Suite; | |
| Benchmark.prototype.setup = function () { | |
| var str = 'asdfkjroi_vnarevihg_asdfasdfg'; | |
| var arr = ['asdfkjroi', 'vnarevihg', 'asdfasdfg']; | |
| }; | |
| suite.add("var idx = str.indexOf('_');", function () { | |
| var idx = str.indexOf('_'); | |
| }); | |
| suite.add("var idx = str.search(/_/);", function () { | |
| var idx = str.search(/_/); | |
| }); | |
| suite.add("var idx = str.search('_');", function () { | |
| var idx = str.search('_'); | |
| }); | |
| suite.add("var arr = str.split('_');", function () { | |
| var arr = str.split('_'); | |
| }); | |
| suite.add("var arr = str.split(/_/)", function () { | |
| var arr = str.split(/_/) | |
| }); | |
| suite.add("var str = arr.join('_');", function () { | |
| var str = arr.join('_'); | |
| }); | |
| suite.add("/_/.exec(str);", function () { | |
| /_/.exec(str); | |
| }); | |
| suite.add("str.match(/_/);", function () { | |
| str.match(/_/); | |
| }); | |
| suite.add("str.substring(9, 15);", function () { | |
| str.substring(9, 15); | |
| }); | |
| suite.add("str.slice(9, 15);", function () { | |
| str.slice(9, 15); | |
| }); | |
| suite.add("str.slice(-15, -9);", function () { | |
| str.slice(-15, -9); | |
| }); | |
| suite.on("cycle", function (evt) { | |
| console.log(" - " + evt.target); | |
| }); | |
| suite.on("complete", function (evt) { | |
| console.log(new Array(30).join("-")); | |
| var results = evt.currentTarget.sort(function (a, b) { | |
| return b.hz - a.hz; | |
| }); | |
| results.forEach(function (item) { | |
| console.log((idx + 1) + ". " + item); | |
| }); | |
| }); | |
| console.log("String / RegExp operations"); | |
| console.log(new Array(30).join("-")); | |
| suite.run(); | |
| }); |
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