Run results for: Map.has vs Map.get check if the key exists

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36

Browser: Chrome 125

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

get

139K/s

has

37K/s

View exact numbers

Test name	Executions per second
✓ get	139,337 Ops/sec
has	37,283 Ops/sec

Tests:

has
const map = new Map(); map.set("foo", 1); for(let i = 0; i < 10000; i ++){ if(map.has("foo")){ } }
get
const map = new Map(); map.set("foo", 1); for(let i = 0; i < 10000; i ++){ if(map.get("foo")){ } }