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Run results for: innerhtml vs removechild

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Run details:
Mozilla/5.0 (iPhone; CPU iPhone OS 10_3_3 like Mac OS X) AppleWebKit/603.3.8 (KHTML, like Gecko) Mobile/14G60
Mobile Safari 10
iOS 10.3.3
iPhone
7 years ago
Test name Executions per second
innerHTML 118933.3 Ops/sec
removeChild 714758.2 Ops/sec
create range 280692.8 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:

  • innerHTML

     
    var node = document.getElementById('container');
    node.innerHTML = '';

  • removeChild

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

  • create range

     
    var node = document.getElementById('container');
    var r = document.createRange();
    r.selectNodeContents(node);
    r.deleteContents();