Benchmark: insertAdjacentElement() vs append() vs appendChild()

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

/*your preparation JavaScript code goes here
To execute async code during the script preparation, wrap it as function globalMeasureThatScriptPrepareFunction, example:*/
async function globalMeasureThatScriptPrepareFunction() {
    // This function is optional, feel free to remove it.
    // await someThing();
}

Tests:

insertAdjacentElement()
const base = document.createElement('div'); const child = document.createElement('span'); base.insertAdjacentElement('beforeend', child);
append()
const base = document.createElement('div'); const child = document.createElement('span'); base.append(child);
appendChild()
const base = document.createElement('div'); const child = document.createElement('span'); base.appendChild(child);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
insertAdjacentElement()
append()
appendChild()

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/139.0.0.0 Safari/537.36

Browser/OS: Chrome 139 on Linux

View result in a separate tab

appendChild()

2.9M/s

insertAdjacentElement()

2.2M/s

append()

2.0M/s

View exact numbers

Test name	Executions per second
✓ appendChild()	2,931,746 Ops/sec
insertAdjacentElement()	2,183,284 Ops/sec
append()	2,015,640 Ops/sec

insertAdjacentElement() vs append() vs appendChild() (version: 1)

Comparing performance of: `insertAdjacentElement() vs append() vs appendChild()`

Created: one year ago by: Registered User

Go to the latest result

insertAdjacentElement()

append()

appendChild()

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

insertAdjacentElement() vs append() vs appendChild() (version: 1)

Comparing performance of: insertAdjacentElement() vs append() vs appendChild()

Created: one year ago by: Registered User

Go to the latest result

insertAdjacentElement()

append()

appendChild()

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Related benchmarks

Comparing performance of: `insertAdjacentElement() vs append() vs appendChild()`