Run results for: map vs obj2

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.100 Safari/537.36

Browser: Chrome 75

Operating system: Mac OS X 10.14.5

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
map	12743.8 Ops/sec
obj	15838.3 Ops/sec

HTML Preparation code:

<script src="lodash.js"></script>

AخA
 
<script src="lodash.js"></script>

Script Preparation code:

var array = [...Array(1000).keys()];
var map = new Map(array.map(a =>[a,a]));
var obj = Object.fromEntries(map);

 
var array = [...Array(1000).keys()];var map = new Map(array.map(a =>[a,a]));var obj = Object.fromEntries(map);

Tests:

for (let i = 0; i< 1000; i++ ){
	map.get(i)
}

 
for (let i = 0; i< 1000; i++ ){    map.get(i)}

for (let i = 0; i< 1000; i++ ){
	obj[i]
}

 
for (let i = 0; i< 1000; i++ ){    obj[i]}