Run results for: void 0 vs undefined

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36

Browser: Chrome 137

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

undefined

37K/s

void 0

36K/s

View exact numbers

Test name	Executions per second
✓ undefined	37,150 Ops/sec
void 0	35,680 Ops/sec

Script Preparation code:

var k = new Array(10000);

Tests: