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

Run details:

User agent: Mozilla/5.0 (Android 15; Mobile; rv:146.0) Gecko/146.0 Firefox/146.0

Browser: Firefox Mobile 146

Operating system: Android

Device Platform: Mobile

Date tested: 6 months ago

JSON.parse()

2.0M/s

eval()

62K/s

View exact numbers

Test name	Executions per second
✓ JSON.parse()	2,031,537 Ops/sec
eval()	62,151 Ops/sec

Script Preparation code:

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

Tests: