Run results for: Map.has vs Map.get

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:123.0) Gecko/20100101 Firefox/123.0

Browser: Firefox 123

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

get

4K/s

has

4K/s

View exact numbers

Test name	Executions per second
✓ get	4,119 Ops/sec
has	4,052 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); } }