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Run results for: createElement vs cloneNode 1337

Faster way to create new dom elements before insertion

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:98.0) Gecko/20100101 Firefox/98.0
Firefox 98
Mac OS X 10.15
Desktop
3 years ago
Test name Executions per second
createElement 42.1 Ops/sec
cloneNode true 70.8 Ops/sec
cloneNode false 73.0 Ops/sec
cloneNode no params 69.7 Ops/sec
Tests:

  • createElement

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

  • cloneNode true

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

  • cloneNode false

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

  • cloneNode no params

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