Created
November 11, 2018 16:40
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Remove an element in a array - splice vs filter (http://jsbench.github.io/#d8d433eb96f5992bdf740d6a450ab26e) #jsbench #jsperf
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"/> | |
| <title>Remove an element in a array - splice vs filter</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 data = { | |
| a: 1, | |
| b: 2, | |
| c: 3 | |
| } | |
| let id = "a" | |
| }; | |
| suite.add("const data = [", function () { | |
| const data = [ | |
| { id: "1", message: "one" }, | |
| { id: "2", message: "two" }, | |
| { id: "3", message: "three" }, | |
| { id: "4", message: "four" }, | |
| { id: "5", message: "five" }, | |
| { id: "6", message: "six" }, | |
| ] | |
| data.splice(data.findIndex(item => item.id === "2"), 1) | |
| }); | |
| suite.add("const data = [", function () { | |
| const data = [ | |
| { id: "1", message: "one" }, | |
| { id: "2", message: "two" }, | |
| { id: "3", message: "three" }, | |
| { id: "4", message: "four" }, | |
| { id: "5", message: "five" }, | |
| { id: "6", message: "six" }, | |
| ] | |
| data.filter(item => item.id !== "2") | |
| }); | |
| 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("Remove an element in a array - splice vs filter"); | |
| console.log(new Array(30).join("-")); | |
| suite.run(); | |
| }); |
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