Run results for: eval vs new Function vs Script Blob

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36

Browser: Chrome 122

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

new Function

20.0M/s

eval

4.4M/s

Script Blob

2K/s

View exact numbers

Script Preparation code:

var func = new Function("return 2 * 3");

Tests:

eval
eval("2 * 3");
new Function
func();
Script Blob
var _script = document.createElement('SCRIPT'); var _url = URL.createObjectURL(new Blob(["return 2 * 3"], { type: 'text/javascript' })); _script.src = _url; document.body.appendChild(_script); URL.revokeObjectURL(_url); _script.remove();