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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:148.0) Gecko/20100101 Firefox/148.0

Browser: Firefox 148

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 4 months ago

JSON.parse()

16.7M/s

eval()

493K/s

View exact numbers

Test name	Executions per second
✓ JSON.parse()	16,695,633 Ops/sec
eval()	493,127 Ops/sec

Script Preparation code:

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

Tests: