Run results for: eval vs new Function vs function(Sample JS Functions)2

Run details:

User agent: Mozilla/5.0 (Linux; U; Android 13; zh-cn; 2112123AC Build/TKQ1.220829.002) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/109.0.5414.118 Mobile Safari/537.36 XiaoMi/MiuiBrowser/18.1.110304 swan-mibrowser

Browser: Chrome Mobile 109

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

new Function

1.4M/s

regular

898K/s

eval

492K/s

View exact numbers

Test name	Executions per second
✓ new Function	1,399,924 Ops/sec
regular	897,919 Ops/sec
eval	491,595 Ops/sec

Script Preparation code:

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

Tests:

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