Benchmark: Convert Nodelist to Array: Array.slice vs. Spread vs. Array.from

HTML Preparation code:

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Tests:

Spread Operator [...]
let arr = [...document.querySelectorAll('.child')];
[].slice.call()
let arr = [].slice.call(document.querySelectorAll('.child'));
Array.from()
let arr = Array.from(document.querySelectorAll('.child'));
Array.prototype.slice.call()
let arr = Array.prototype.slice.call(document.querySelectorAll('.child'));

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Spread Operator [...]
[].slice.call()
Array.from()
Array.prototype.slice.call()

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: 10 months ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36

Browser/OS: Chrome 114 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
Spread Operator [...]	87978.2 Ops/sec
[].slice.call()	114639.9 Ops/sec
Array.from()	91535.2 Ops/sec
Array.prototype.slice.call()	111267.3 Ops/sec

Convert Nodelist to Array: Array.slice vs. Spread vs. Array.from (version: 1)

Comparing performance of: Spread Operator [...] vs [].slice.call() vs Array.from() vs Array.prototype.slice.call()

Created: 10 months ago by: Registered User

Jump to the latest result

Spread Operator [...]

[].slice.call()

Array.from()

Array.prototype.slice.call()

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A