Run results for: append

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36

Browser: Chrome 105

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
loop append	2277749.0 Ops/sec
insertAdjacentHTML	160353.6 Ops/sec
getComputedStyle	528386.8 Ops/sec

HTML Preparation code:

<p style="color:green">This is a paragraph.</p>

Script Preparation code:

box1 = document.createElement("div");

box2 = document.createElement("div");
box2.innerHTML = '<button>click1</button><button>click2</button><button>click3</button><button>click4</button>';

Tests:

loop append
[...box2.children].forEach(child => box1.appendChild(child));
insertAdjacentHTML
box1.insertAdjacentHTML('beforeend', '<button>click1</button><button>click2</button><button>click3</button><button>click4</button>');
getBoundingClientRect
document.querySelector('p').getBoundingClientRect();
getComputedStyle
getComputedStyle(document.querySelector('p'));

loop append

insertAdjacentHTML

getBoundingClientRect

getComputedStyle