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

Run details:

User agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:109.0) Gecko/20100101 Firefox/115.0

Browser: Firefox 115

Operating system: Windows 7

Device Platform: Desktop

Date tested: one month ago

JSON.parse()

3.0M/s

eval()

55K/s

View exact numbers

Test name	Executions per second
✓ JSON.parse()	2,978,686 Ops/sec
eval()	54,666 Ops/sec

Script Preparation code:

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

Tests: