Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36
Chrome 116
Windows
Desktop
one year ago
Test name Executions per second
createElement 0.0 Ops/sec
cloneNode 97.3 Ops/sec
Tests:
  • createElement

    AخA
     
    var list = [],
        n = 0;
    while(true) {
        n++;
        list.push(document.createElement('div'));
        node.setAttribute("class", "test");
        node.innerText = "test";
        if(n===10000) 
            break;
    }
  • cloneNode

     
    var list = [],
        n = 0,
        node = document.createElement('div');
        node.setAttribute("class", "test");
        node.innerText = "test";
    while(true) {
        n++;
        var clone = node.cloneNode(true);
        node.setAttribute("class", "clone");
        node.innerText = "clone";
        list.push(clone);
        if(n===10000) 
            break;
    }