Run details:
Mozilla/5.0 (iPhone; CPU iPhone OS 14_7_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.7 Mobile/15E148 DuckDuckGo/7 Safari/605.1.15
Mobile Safari 14
iOS 14.7.1
Mobile
3 years ago
Test name Executions per second
createElement 713.1 Ops/sec
createDocumentFragment 591.9 Ops/sec
Script Preparation code:
AخA
 
document.body.innerHTML = "";
Tests:
  • createElement

     
    var root = document.createElement("div");
    document.body.appendChild(root);
    for (var i = 0; i < 1000; i++) {
        var e = document.createElement("span");
        e.innerText = i + " text";
        root.appendChild(e);
    }
  • createDocumentFragment

     
    var frag = document.createDocumentFragment();
    var root = document.createElement("div");
    for (var i = 0; i < 1000; i++) {
        var e = document.createElement("span");
        e.innerText = i + " text";
        root.appendChild(e);
    }
    document.body.appendChild(frag);