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@JobLeonard
Last active March 27, 2017 12:52
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split string various lengths (http://jsbench.github.io/#d70fc60aeaed28f321133c4c840e6ad6) #jsbench #jsperf
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<title>split string various lengths</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>
"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 () {
var str = 'abcdefghijkl';
for (var i = 0; i < 8; i++){
str += str;
}
function splitChunks(_str, n){
var size = Math.ceil(_str.length / n),
chunks = new Array(size),
offset = 0,
i = 0;
while (i < size){
chunks[i++] = _str.substring(offset, offset + n);
offset += n;
}
return chunks;
}
};
suite.add("str.split('') for comparison", function () {
// str.split('') for comparison
var chunks = str.split('');
});
suite.add("1 length substring", function () {
// 1 length substring
splitChunks(str, 1)
});
suite.add("2 length substring", function () {
// 2 length substring
splitChunks(str, 2)
});
suite.add("3 length substring", function () {
// 3 length substring
splitChunks(str, 3)
});
suite.add("4 length substring", function () {
// 4 length substring
splitChunks(str, 4)
});
suite.add("5 length substring", function () {
// 5 length substring
splitChunks(str, 5)
});
suite.add("6 length substring", function () {
// 6 length substring
splitChunks(str, 6)
});
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("split string various lengths");
console.log(new Array(30).join("-"));
suite.run();
});
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