Run results for: Hungry js map vs forEach

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 12_1_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/16C101 [FBAN/MessengerForiOS;FBAV/196.0.0.54.99;FBBV/135382157;FBDV/iPhone7,2;FBMD/iPhone;FBSN/iOS;FBSV/12.1.2;FBSS/2;FBCR/Verizon;FBID/phone;FBLC/en_US;FBOP/5]

Browser: Mobile Safari 12

Operating system: iOS 12.1.2

Device Platform: Mobile

Date tested: 5 years ago

Test name	Executions per second
map	861775.1 Ops/sec
forEach	2367079.0 Ops/sec

Script Preparation code:

// Create sample data
var array = [];
array.forEach( i => array.push(i) );

var manipulateFn = num => {
	return num * 2 * 3;
}

Tests:

map
var newArray = array.map( i => manipulateFn(i));
forEach
array.forEach( i => { manipulateFn(i); });