JSBench.me - JavaScript performance benchmarking playground

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9/7/2020 by matt -00

Setup HTML - click to add setup HTML

Setup JavaScript

const items = Array.from(Array(10000000).keys())

ready

var index = 0

var i;
for (i = 0; i < items.length; i++) {
	index += i;
}

DEFER

ready

var index = 0

function incrementIndex(i) {
	index += i;
}

var i;
for (i = 0; i < items.length; i++) {
	incrementIndex(i)
}

DEFER

ready

var index = 0

var i;
var l = items.length;
for (i = 0; i < l; i++) {
	index += i
}

DEFER

ready

var index = 0

function incrementIndex(i) {
	index += i;
}


var i;
var l = items.length;
for (i = 0; i < l; i++) {
	incrementIndex(i);
}

DEFER

ready

var index = 0

var i;
for (i = 0; i < items.length; i++) {
	
}

DEFER

ready

var index = 0

var i;
var l = items.length;
for (i = 0; i < l; i++) {

}

DEFER

Test Case - click to add another test case

Teardown JS - click to add teardown JavaScript

Output (DOM) - click to monitor output (DOM) while test is running