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Javascript Fastest way to check for String Type that is not empty #jsbench #jsperf (https://jsbench.github.io/#79c073db881ec273a6ef630cfc258e49) #jsbench #jsperf
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"/> | |
| <title>Javascript Fastest way to check for String Type that is not empty #jsbench #jsperf</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 () { | |
| function sampleBuilder(root, count) { | |
| count = count || 10000; | |
| const results = []; | |
| function addToResult(obj) { | |
| try { | |
| if (obj == null || obj.constructor) { // Verify we don't get an illegal access error | |
| results.push(obj); | |
| } | |
| } catch (e) { } | |
| } | |
| function recurser(obj) { | |
| addToResult(obj); | |
| if (!obj || results.length >= count) { | |
| return; | |
| } else if (Array.isArray(obj)) { | |
| obj.forEach(recurser); | |
| return; | |
| } | |
| var keys = Object.keys(obj); | |
| for (var len = keys.length, i = 0; i < len; ++i) { | |
| if (results.length >= count) { return; } | |
| try { | |
| var item = obj[keys[i]]; | |
| if (item && results.indexOf(item) === -1) { | |
| switch (results.length % 15) { | |
| case 7: results.push(null); break; | |
| case 11: results.push(undefined); break; | |
| } | |
| switch (typeof item) { | |
| case 'function': | |
| switch (results.length % 15) { | |
| case 11: results.push(new String(item)); break; | |
| case 13: results.push(item.toString()); break; | |
| } | |
| case 'object': | |
| recurser(item); | |
| break; | |
| default: | |
| addToResult(item); | |
| } | |
| } | |
| } catch (e) { | |
| results.push(e); | |
| } | |
| } | |
| } | |
| recurser(root); | |
| return results; | |
| } | |
| var sampleObjects = sampleBuilder(window, 2500); | |
| }; | |
| suite.add("typeof", function () { | |
| // typeof | |
| var count = 0, objs = sampleObjects; | |
| for(var len = objs.length, i = 0; i < len; ++i){ | |
| var obj = objs[i]; | |
| if (typeof obj === 'string' && obj.length > 0) { ++count; } | |
| } | |
| return count; | |
| }); | |
| suite.add("instanceof", function () { | |
| // instanceof | |
| var count = 0, objs = sampleObjects; | |
| for(var len = objs.length, i = 0; i < len; ++i){ | |
| var obj = objs[i]; | |
| if (obj instanceof String && obj.length > 0) { ++count; } | |
| } | |
| return count; | |
| }); | |
| suite.add("implementation", function () { | |
| // implementation | |
| var count = 0, objs = sampleObjects; | |
| for(var len = objs.length, i = 0; i < len; ++i){ | |
| var obj = objs[i]; | |
| if ((typeof obj === 'string' || obj instanceof String) && obj.length > 0) { ++count; } | |
| } | |
| return count; | |
| }); | |
| suite.add("implementation2", function () { | |
| // implementation2 | |
| var count = 0, objs = sampleObjects; | |
| for(var len = objs.length, i = 0; i < len; ++i){ | |
| var obj = objs[i]; | |
| if (obj !== null && obj !== undefined && (typeof obj === 'string' || obj instanceof String) && obj.length > 0) { ++count; } | |
| } | |
| return count; | |
| }); | |
| suite.add("isStringOnly", function () { | |
| // isStringOnly | |
| var count = 0, objs = sampleObjects; | |
| for(var len = objs.length, i = 0; i < len; ++i){ | |
| var obj = objs[i]; | |
| if (obj instanceof String || typeof obj === 'string') { ++count; } | |
| } | |
| return count; | |
| }); | |
| suite.add("propCheck", function () { | |
| // propCheck | |
| var count = 0, objs = sampleObjects; | |
| for(var len = objs.length, i = 0; i < len; ++i){ | |
| var obj = objs[i]; | |
| if (obj != null && obj.substring && obj.length > 0) { ++count; } | |
| } | |
| return count; | |
| }); | |
| suite.add("constructor", function () { | |
| // constructor | |
| var count = 0, objs = sampleObjects, StringClass = String; | |
| for(var len = objs.length, i = 0; i < len; ++i){ | |
| var obj = objs[i]; | |
| if (obj != null && obj.constructor === StringClass && obj.length > 0) { ++count; } | |
| } | |
| return count; | |
| }); | |
| 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("Javascript Fastest way to check for String Type that is not empty #jsbench #jsperf"); | |
| console.log(new Array(30).join("-")); | |
| suite.run(); | |
| }); |
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