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Early returns comparison (http://jsbench.github.io/#1fd9788db451f01d4b84e12bba8d706f) #jsbench #jsperf
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"/> | |
| <title>Early returns comparison</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; | |
| suite.add("Single Exit Point", function () { | |
| //Single Exit Point | |
| function foo(bar){ | |
| value = ''; | |
| if (bar > 0) { | |
| value = "YES"; | |
| } else if (bar == 0) { | |
| value = "MAYBE" | |
| } else { | |
| value = "NO"; | |
| } | |
| return value; | |
| } | |
| foo(10); | |
| }); | |
| suite.add("Early Returns with if/else", function () { | |
| //Early Returns with if/else | |
| function foo(bar){ | |
| if (bar > 0) { | |
| return "YES"; | |
| } else if (bar == 0) { | |
| return "MAYBE" | |
| } else { | |
| return "NO"; | |
| } | |
| } | |
| foo(10); | |
| }); | |
| suite.add("Early Returns with if/else", function () { | |
| //Early Returns with if/else | |
| function foo(bar){ | |
| if (bar > 0) { | |
| return "YES"; | |
| } | |
| if (bar == 0) { | |
| return "MAYBE"; | |
| } | |
| return "NO"; | |
| } | |
| foo(10); | |
| }); | |
| 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("Early returns comparison"); | |
| console.log(new Array(30).join("-")); | |
| suite.run(); | |
| }); |
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