Run results for: JSON.parse() vs. eval()

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36

Browser: Chrome 134

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

JSON.parse()

10.3M/s

eval()

4.0M/s

View exact numbers

Test name	Executions per second
✓ JSON.parse()	10,289,380 Ops/sec
eval()	3,994,125 Ops/sec

Script Preparation code:

var jsonString = '{"key1": "val1", "key2": 7}'

Tests: