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Run results for: innerHTML vs insertAdjacentHTML vs appendChild vs insertAdjacentElement vs documentFragment

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36
Chrome 134
Windows
Desktop
20 days ago
Test name Executions per second
1) innerHTML += 5015941.5 Ops/sec
2) insertAdjacentHTML 2140664.5 Ops/sec
3) appendChild 2437496.8 Ops/sec
4) insertAdjacentElement 2204402.5 Ops/sec
5) documentFragment 15946960.0 Ops/sec
Script Preparation code:
​x
 
 box1 = document.createElement("div");
​
 box2 = document.createElement("div");
 fragment = document.createDocumentFragment();
 box2HTML = box2.innerHTML;
Tests:

  • 1) innerHTML +=

     
    box1.innerHTML += box2HTML;

  • 2) insertAdjacentHTML

     
    box1.insertAdjacentHTML('beforeend', box2HTML);

  • 3) appendChild

     
    box1.appendChild(box2);

  • 4) insertAdjacentElement

     
    box1.insertAdjacentElement('beforeend', box2);

  • 5) documentFragment

     
    box1.appendChild(fragment);