Run results for: IIFE vs Normal Fixed 2

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.132 Safari/537.36

Browser: Chrome 80

Operating system: Linux

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
iife	43856.9 Ops/sec
normal	29376.8 Ops/sec

Script Preparation code:

var iife = (() => {
  return window.location !== window.parent.location;
})();

var normal = () => {
  return window.location !== window.parent.location;
}

Tests:

iife
console.log(iife)
normal
console.log(normal())