Run results for: Object reading JS

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:100.0) Gecko/20100101 Firefox/100.0

Browser: Firefox 100

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
for in	1063171.2 Ops/sec
for classic	763409.6 Ops/sec

HTML Preparation code:

<div id="show"></div>

Script Preparation code:

var obj = {}
var maxsize = 100

for (let i = 0; i < maxsize; i++) {
  obj[`i_${i}`] = i;
}

Tests:

for in
let total = 0; for (let k in obj) { const test = obj[k] + 1; total += test; }
for classic
let total = 0; const keys = Object.keys(obj) for (let i = 0; i < maxsize; i++) { const test = obj[keys[i]] + 1; total += test; }