Skip to content

Instantly share code, notes, and snippets.

@doesdev

doesdev/index.html

Last active January 9, 2020 21:20
Show Gist options
  • Save doesdev/472fa21fd7fdcf2e32fc2284567a8e0f to your computer and use it in GitHub Desktop.
Save doesdev/472fa21fd7fdcf2e32fc2284567a8e0f to your computer and use it in GitHub Desktop.
Download ZIP
Raw
index.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<title>Prefix 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>
Raw
suite.js
"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 strPrefixCache = {}
const comparePrefixCached = (str = '', prefix) => {
const len = strPrefixCache[prefix] || (strPrefixCache[prefix] = prefix.length)
return str.substr(0, len) === prefix
}
const comparePrefix = (str = '', prefix) => {
return str.substr(0, prefix.length) === prefix
}
};
suite.add("'SYS@MASTER-PROVIDER@1234'.substr(0, 20) === 'SYS@MASTER-PROVIDER@'", function () {
'SYS@MASTER-PROVIDER@1234'.substr(0, 20) === 'SYS@MASTER-PROVIDER@'
});
suite.add("/SYS@MASTER-PROVIDER@/.test('SYS@MASTER-PROVIDER@1234')", function () {
/SYS@MASTER-PROVIDER@/.test('SYS@MASTER-PROVIDER@1234')
});
suite.add("!'SYS@MASTER-PROVIDER@1234'.indexOf('SYS@MASTER-PROVIDER@')", function () {
!'SYS@MASTER-PROVIDER@1234'.indexOf('SYS@MASTER-PROVIDER@')
});
suite.add("'SYS@MASTER-PROVIDER@1234'.indexOf('SYS@MASTER-PROVIDER@') === 0", function () {
'SYS@MASTER-PROVIDER@1234'.indexOf('SYS@MASTER-PROVIDER@') === 0
});
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("Prefix Comparison");
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