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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Browser: Chrome 123

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

new Function

4.5M/s

regular

3.3M/s

eval

2.0M/s

View exact numbers

Test name	Executions per second
✓ new Function	4,520,524 Ops/sec
regular	3,328,384 Ops/sec
eval	1,980,205 Ops/sec

Script Preparation code:

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

Tests:

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