Run results for: Object.keys().length vs for i in object i++ vs Object.entries().length vs Object.values().length

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Safari/537.36

Browser: Chrome 132

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Object.values().length

4K/s

Object.keys().length

521/s

for in i++

427/s

Object.entries().length

200/s

View exact numbers

Script Preparation code:

var object = {};
for (let i = 1; i <= 100000; i++) object[String(i)] = i;

Tests: