MeasureThat.net

Run results for: createElement vs cloneNode

Faster way to create new complex dom elements

Go to the benchmark
Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.1.1 Safari/605.1.15
Safari 14
Mac OS X 10.15.7
Desktop
3 years ago
Test name Executions per second
createElement 5.6 Ops/sec
cloneNode 22.1 Ops/sec
Tests:

  • createElement

    AخA
     
    var list = [],
        n = 0;
    while(true) {
        n++;
        list.push(document.createElement('div'));
        list[list.length-1].appendChild(document.createElement('div'));
        list[list.length-1].appendChild(document.createElement('div'));
        if(n===100000) 
            break;
    }

  • cloneNode

     
    var list = [],
        n = 0,
        node = document.createElement('div');
    node.appendChild(document.createElement('div'));
    node.appendChild(document.createElement('div'));
    while(true) {
        n++;
        list.push(node.cloneNode(true));
        if(n===100000) 
            break;
    }