Run results for: Map.has vs Map.get

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36

Browser: Chrome 121

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

get

6K/s

has

5K/s

View exact numbers

Test name	Executions per second
✓ get	6,155 Ops/sec
has	5,285 Ops/sec

HTML Preparation code:


<div id=''></div>

Script Preparation code:

const map = new Map();
map.set("foo", 1);
const map1 = new Map();
map1.set("foo", 1);
let count = 10000;

Tests:

has
const map = new Map(); map.set("foo", 1); for(let i = 0; i < 10000; i ++){ if(map.has("foo")){ map.set("foo", map.get("foo") + 1); } }
get
const map1 = new Map(); map1.set("foo", 1); for(let i = 0; i < 10000; i ++){ const num = map1.get("foo"); if(num){ map1.set("foo", num + 1); } }