Benchmark: for in - MeasureThat.net

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

var obj =[...new Array(100000)].map(x=>({id:x,name:x}));

Tests:

for in
for (var key in obj) { const value = obj[key]; console.log(key, value); }
Object.keys
for (var key of Object.keys(obj)) { const value = obj[key]; console.log(key, value); }
Object.values
for (var value of Object.values(obj)) { console.log(value); }
Object.entries
for (var [key, value] of Object.entries(obj)) { console.log(key, value); }

Rendered benchmark preparation results:

Previous results

Latest run results:

Run details: (Test run date: 10 months ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/140.0.0.0 Safari/537.36 Edg/140.0.0.0

Browser/OS: Chrome 140 on Windows

for in

2/s

Object.values

2/s

Object.keys

2/s

Object.entries

1/s

View exact numbers

for in (version: 1)