Run results for: function typeof benchmark

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0

Browser: Firefox 153

Operating system: Windows

Device Platform: Desktop

Date tested: one month ago

split typeof

52K/s

typeof

51K/s

View exact numbers

Test name	Executions per second
✓ split typeof	51,959 Ops/sec
typeof	51,360 Ops/sec

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

function do_not_optimize(v) { $._ = v; }
const $ = { _: null, __() { return console.log($._); } };

function A({x,y}) {
  do_not_optimize( x ? x : do_not_optimize(y));
}

function B({x}) {
  do_not_optimize(typeof x =="string" ? x : do_not_optimize(x));
}

Tests:

split typeof
let c = 1000; while (c--){ A({y: () => "hi"}) A({y:() => "hi"}) A({x:"hi"}) }
typeof
let c = 1000; while (c--){ B({x: () => "hi"}) B({x:() => "hi"}) B({x:"hi"}) }