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

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36

Browser: Chrome 117

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

new Function

5.9M/s

regular

5.7M/s

eval

3.4M/s

View exact numbers

Test name	Executions per second
✓ new Function	5,884,059 Ops/sec
regular	5,650,882 Ops/sec
eval	3,408,616 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()