Created
December 2, 2020 06:09
-
-
Save ssidorchik/8f34a24d776a86aa28ec07063aecfee7 to your computer and use it in GitHub Desktop.
Try/catch vs if/else (http://jsbench.github.io/#8f34a24d776a86aa28ec07063aecfee7) #jsbench #jsperf
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="utf-8"/> | |
<title>Try/catch vs if/else</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> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
"use strict"; | |
(function (factory) { | |
if (typeof Benchmark !== "undefined") { | |
factory(Benchmark); | |
} else { | |
factory(require("benchmark")); | |
} | |
})(function (Benchmark) { | |
var suite = new Benchmark.Suite; | |
suite.add("function if_else() {", function () { | |
function if_else() { | |
if (window.foo) { | |
window.foo.bar = 'never gets here because we explicitly checked for window.foo first' | |
} else {} | |
} | |
if_else(); | |
}); | |
suite.add("function try_catch() {", function () { | |
function try_catch() { | |
try { | |
window.foo.bar = 'cant assign' | |
} catch(err) {} | |
} | |
try_catch(); | |
}); | |
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("Try/catch vs if/else"); | |
console.log(new Array(30).join("-")); | |
suite.run(); | |
}); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment