MeasureThat.net

Run results for: window.getComputedStyle vs getAttribute

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:133.0) Gecko/20100101 Firefox/133.0
Firefox 133
Mac OS X 10.15
Desktop
4 months ago
Test name Executions per second
getComputedStyle 929.0 Ops/sec
getAttribute 3606.1 Ops/sec
HTML Preparation code:
AخA
 
1
<div id="foo" data-attr="foo"></div>
Tests:

  • getComputedStyle

    ​x
     
    var i = 3000;
    while (i--) {
        chekele('foo');
    }
    ​
    function chekele(element) {
        return window.getComputedStyle(document.getElementById(element), null).getPropertyValue("display").indexOf('none') === -1;
    }

  • getAttribute

     
    var i = 3000;
    while (i--) {
        chekele('foo');
    }
    ​
    function chekele(element) {
        return document.getElementById(element).getAttribute('data-attr');
    }
    ​