Run results for: IIFE vs eval()

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36

Browser: Chrome 119

Operating system: Windows

Device Platform: Desktop

Date tested: 6 months ago

Test name	Executions per second
eval	3207582.0 Ops/sec
iife	12310210.0 Ops/sec

Script Preparation code:

var result;

Tests:

eval
eval("(function(){var sum = 0; for (var i = 1; i < 100; i++){sum += i;} return sum;}());");
iife
(function(){var sum = 0; for (var i = 1; i < 100; i++){sum += i;} return sum;}());