Run results for: Memoization (Object, WeakMap)

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36

Browser: Chrome 130

Operating system: Windows

Device Platform: Desktop

Date tested: one month ago

Test name	Executions per second
Object	533428.6 Ops/sec
Map	318316.2 Ops/sec

Tests:

Object
const memo = {} function fibonacci(n) { if (n <= 1) return n; if (memo[n]) return memo[n] memo[n] = fibonacci(n-1) + fibonacci(n-2) return memo[n] } fibonacci(40)
Map
const cache = new Map(); function fibonacci(n) { if (n <= 1) return n; if (cache.has(n)) { return cache.get(n); } cache.set(n, fibonacci(n-1) + fibonacci(n-2)) return cache.get(n) } fibonacci(40)