Run results for: find by array loop vs Array.find

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.86 Safari/537.36

Browser: Chrome 73

Operating system: Mac OS X 10.14.3

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
arr.find	16075.3 Ops/sec
find with for	5669.4 Ops/sec

Script Preparation code:

   var arr = [];
   var max = 1000;
   var valueToFind = 500;
    for (var i = 0; i < 1000; i++) {
      arr[i] = Math.floor(Math.random()*max);     
    }

Tests:

arr.find
arr.find( item=>item===valueToFind);
find with for
const len=arr.length; for (var i = 0; i < len; i++) { arr[i]===valueToFind; }

Run results for: find by array loop vs Array.find

arr.find

find with for