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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36

Browser: Chrome 122

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

JSON.parse()

3.8M/s

eval()

2.6M/s

View exact numbers

Test name	Executions per second
✓ JSON.parse()	3,826,737 Ops/sec
eval()	2,633,569 Ops/sec

Script Preparation code:

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

Tests: