Run results for: innerHTML vs insertAdjacentHTML vs appendChild vs insertAdjacentElement

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 16_0_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.0 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 16

Operating system: iOS 16.0.2

Device Platform: Mobile

Date tested: 2 years ago

1) innerHTML +=

8.4M/s

3) appendChild

6.3M/s

4) insertAdjacentElement

5.9M/s

2) insertAdjacentHTML

3.6M/s

View exact numbers

Script Preparation code:

 box1 = document.createElement("div");

 box2 = document.createElement("div");
 box2HTML = box2.innerHTML;

Tests: