Run results for: window.style vs. getBoundingClientRect

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.1.3 Safari/605.1.15

Browser: Safari 13

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
style	547.0 Ops/sec
getBoundingClientRect	242.7 Ops/sec

HTML Preparation code:

<div id="foo"></div>

AخA
 
<div id="foo"></div>

Tests:

style

var i = 5000;
while (i--) {
	checkDisplay('foo');
}

function checkDisplay(id) {
  	let element = document.getElementById(id);
  	return element.style.width;
 
}

​x
 
var i = 5000;while (i--) {    checkDisplay('foo');}​function checkDisplay(id) {    let element = document.getElementById(id);    return element.style.width; }

getBoundingClientRect
var i = 5000; while (i--) { checkDisplay('foo'); } function checkDisplay(id) { return document.getElementById(id).getBoundingClientRect().width === 0; }
var i = 5000;
while (i--) {
checkDisplay('foo');
}

function checkDisplay(id) {
return document.getElementById(id).getBoundingClientRect().width === 0;
}