Run results for: eval vs new Function vs Script Blob

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:131.0) Gecko/20100101 Firefox/131.0

Browser: Firefox 131

Operating system: Ubuntu

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

new Function

750.3M/s

eval

1.9M/s

Script Blob

10K/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();