Run results for: window.getComputedStyle vs. getBoundingClientRect for height

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.0.0 Safari/537.36

Browser: Chrome 102

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
getComputedStyle	37.2 Ops/sec
getBoundingClientRect	62.9 Ops/sec

HTML Preparation code:

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

Tests:

getComputedStyle
var i = 5000; const node = document.getElementById('foo') while (i--) { checkDisplay('foo'); } function checkDisplay(id) { return parseFloat(window.getComputedStyle(node).height) > 0; }
getBoundingClientRect
var i = 5000; const node = document.getElementById('foo') while (i--) { checkDisplay('foo'); } function checkDisplay(id) { return node.getBoundingClientRect().height > 0; }