Run results for: innerHTML vs insertAdjacentHTML vs appendChild vs insertAdjacentElement

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; SAMSUNG SM-N960W) AppleWebKit/537.36 (KHTML, like Gecko) SamsungBrowser/18.0 Chrome/99.0.4844.88 Mobile Safari/537.36

Browser: Chrome Mobile 99

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
1) innerHTML +=	899419.6 Ops/sec
2) insertAdjacentHTML	117383.6 Ops/sec
3) appendChild	620031.1 Ops/sec
4) insertAdjacentElement	573515.0 Ops/sec

Script Preparation code:

 box1 = document.createElement("div");

 box2 = document.createElement("div");
 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);

Run results for: innerHTML vs insertAdjacentHTML vs appendChild vs insertAdjacentElement

innerHTML vs insertAdjacentHTML vs appendChild vs insertAdjacentElement

1) innerHTML +=

2) insertAdjacentHTML

3) appendChild

4) insertAdjacentElement