Benchmark: !!array.length vs array.length > 0

Script Preparation code:

var arr = [];

Tests:

!!array.length
if (!!arr.length) { console.log(1); } else { console.log(0); }
array.length > 0
if (arr.length > 0) { console.log(1); } else { console.log(0); }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
!!array.length
array.length > 0

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: 6 months ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.931 YaBrowser/23.9.3.931 Yowser/2.5 Safari/537.36

Browser/OS: Yandex Browser 23 on Windows

View result in a separate tab

Test name	Executions per second
!!array.length	357896.7 Ops/sec
array.length > 0	344346.7 Ops/sec

!!array.length vs array.length > 0 (version: 0)

Comparing performance of: !!array.length vs array.length > 0

Created: 6 months ago by: Guest

Jump to the latest result

!!array.length

array.length > 0

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A