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For-Each Compact Performance.jsbench (http://jsbench.github.io/#87313123406b8ba610e86e4a79088f2c) #jsbench #jsperf
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"/> | |
| <title>For-Each Compact Performance.jsbench</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 () { | |
| const testArray = [ | |
| 0, | |
| "page-wrapper", | |
| undefined, | |
| "what", | |
| null, | |
| "document-page", | |
| "", | |
| 1, | |
| "test", | |
| [], | |
| {}, | |
| ['subarray'], | |
| "random", | |
| false, | |
| "idk", | |
| true, | |
| ['subarray', 'with', 'many', 'values'], | |
| function dummyFuncNoArgs() {}, | |
| function dummyfunc(with_some, args) {}, | |
| "", | |
| [], | |
| " not empty ", | |
| Symbol.for('last-element') | |
| ]; | |
| const isArray = Array.isArray; | |
| function compact_forI(aArray) { | |
| const len = aArray.length; | |
| if (len === 0) { return aArray; } | |
| const result = new Array(len); | |
| let count = 0; | |
| for (let i = 0, val; val = aArray[i], i < len; ++i) if (val != null && (typeof val === 'string' || isArray(val) ? val.length > 0 : true)) { | |
| result[count++] = val; | |
| } | |
| result.length = count; | |
| return result; | |
| } | |
| function compact_forOf(aArray) { | |
| const result = new Array(aArray.length); | |
| let count = 0; | |
| for (let val of aArray) if (val != null && (typeof val === 'string' || isArray(val) ? val.length > 0 : true)) { | |
| result[count++] = val; | |
| } | |
| result.length = count; | |
| return result; | |
| } | |
| function compact_forEachPrealloc(aArray) { | |
| const result = new Array(aArray.length); | |
| let count = 0; | |
| aArray.forEach(val => { | |
| if (val != null && (typeof val === 'string' || isArray(val) ? val.length > 0 : true)) { result[count++] = val; } | |
| }); | |
| result.length = count; | |
| return result; | |
| } | |
| function compact_forEachPush(aArray) { | |
| const result = []; | |
| aArray.forEach(val => { | |
| if (val != null && (typeof val === 'string' || isArray(val) ? val.length > 0 : true)) { result.push(val); } | |
| }); | |
| return result; | |
| } | |
| function compact_filter(aArray) { | |
| return aArray.filter(val => val != null && (typeof val === 'string' || isArray(val) ? val.length > 0 : true)); | |
| } | |
| const isSafeInteger = Number.isSafeInteger; | |
| const hasLength = val => val != null && isSafeInteger(val.length) && val.length > 0 | |
| function compact_hasLength(aArray) { | |
| return aArray.filter(hasLength); | |
| } | |
| }; | |
| suite.add("testArray.filter(val => val != null && (typeof val === 'string' || isArray(val) ? val.length > 0 : true));", function () { | |
| testArray.filter(val => val != null && (typeof val === 'string' || isArray(val) ? val.length > 0 : true)); | |
| }); | |
| suite.add("testArray.filter(val => val != null && val.length);", function () { | |
| testArray.filter(val => val != null && val.length); | |
| }); | |
| suite.add("compact_forI", function () { | |
| //compact_forI | |
| compact_forI(testArray); | |
| }); | |
| suite.add("compact_forOf", function () { | |
| //compact_forOf | |
| compact_forOf(testArray); | |
| }); | |
| suite.add("compact_forEachPrealloc", function () { | |
| //compact_forEachPrealloc | |
| compact_forEachPrealloc(testArray); | |
| }); | |
| suite.add("compact_forEachPush", function () { | |
| //compact_forEachPush | |
| compact_forEachPush(testArray); | |
| }); | |
| suite.add("compact_filter", function () { | |
| //compact_filter | |
| compact_filter(testArray); | |
| }); | |
| suite.add("compact_hasLength", function () { | |
| //compact_hasLength | |
| compact_hasLength(testArray); | |
| }); | |
| 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("For-Each Compact Performance.jsbench"); | |
| console.log(new Array(30).join("-")); | |
| suite.run(); | |
| }); |
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