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Run results for: removefirst vs removelast

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Run details:
Mozilla/5.0 (X11; CrOS x86_64 14541.0.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.0.0 Safari/537.36
Chrome 109
Chrome OS 14541.0.0
Desktop
2 years ago
Test name Executions per second
removelast 3179362.2 Ops/sec
removeChild 3134290.0 Ops/sec
HTML Preparation code:
AخA
 
1
<div id="container"></div>
Script Preparation code:
​x
 
var node = document.getElementById('container');
​
for(var i = 0; i < 1000; i++) node.appendChild(document.createElement('div'));
Tests:

  • removelast

     
    var node = document.getElementById('container');
    while(node.hasChildNodes()) node.removeChild(node.lastChild);
    ​

  • removeChild

     
    var node = document.getElementById('container');
    while(node.firstChild) node.removeChild(node.firstChild)