Run results for: eval vs new Function (Sample JS Functions)

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.1.1 Safari/605.1.15

Browser: Safari 18

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

new Function

4.2M/s

eval

3.5M/s

View exact numbers

Test name	Executions per second
✓ new Function	4,240,420 Ops/sec
eval	3,475,910 Ops/sec

Script Preparation code:

var newFunc = new Function("let r = Math.random().toString(36).substring(7).includes('x');");

Tests: