Run results for: innerHTML vs insertAdjacentHTML vs appendChild vs insertAdjacentElement add attribute fix6

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.1.2 Safari/605.1.15

Browser: Safari 14

Operating system: Mac OS X 10.14.6

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
innerHTML	105.2 Ops/sec
insertAdjacentHTML	128924.1 Ops/sec
appendChild	276958.4 Ops/sec
insertAdjacentElement	267899.5 Ops/sec

Script Preparation code:


box1 = document.createElement("div");

box2 = document.createElement("div");
box2.src = "https://google.com";
box2.setAttribute('style', 'position:absolute;display:block;width:300px;hright:300px;border:2px solid blue');
box2.textContent = "X";

Tests:

innerHTML
box1.innerHTML += box2.outerHTML;
insertAdjacentHTML
box1.insertAdjacentHTML('beforeend', box2.outerHTML);
appendChild
let El = document.createElement("div"); El.src="https://google.com"; El.setAttribute('style','position:absolute;display:block;width:300px;hright:300px;border:2px solid blue'); El.textContent = "X"; box1.appendChild(El);
insertAdjacentElement
let El = document.createElement("div"); El.src = "https://google.com"; El.setAttribute('style', 'position:absolute;display:block;width:300px;hright:300px;border:2px solid blue'); El.textContent = "X"; box1.insertAdjacentElement('beforeend', El);