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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:139.0) Gecko/20100101 Firefox/139.0

Browser: Firefox 139

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one year ago

new Function

9.7M/s

eval

3.1M/s

View exact numbers

Test name	Executions per second
✓ new Function	9,719,175 Ops/sec
eval	3,119,172 Ops/sec

Script Preparation code:

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

Tests: