Run results for: Caching with loop conditions

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.0.0 Safari/537.36

Browser: Chrome 111

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
With cache	28964.8 Ops/sec
Without cache	14693.6 Ops/sec
While loop (as performance reference)	29058.3 Ops/sec

Script Preparation code:

var arr = [...Array(1000).keys()];

Tests:

With cache
let sum = 0; for (let i = 0, arrLen=arr.length; i < arrLen; i++){ sum += arr[i]; }
Without cache
let sum = 0; for (let i = 0; i < arr.length; i++){ sum += arr[i]; }
While loop (as performance reference)
let sum = 0; let i = arr.length; while(i--){ sum += arr[i] }