Run results for: fill array with value: map(callback) vs fill(value)

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.116 Safari/537.36

Browser: Chrome 83

Operating system: Linux

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
.map(callback)	21477.0 Ops/sec
.fill(value)	14152.2 Ops/sec

Script Preparation code:

var array = (new Array(10000)).map((e, i) => ({t: i}));

AخA
 
var array = (new Array(10000)).map((e, i) => ({t: i}));

Tests:

.map(callback)
const result = array.map(() => true);
const result = array.map(() => true);
.fill(value)
const result = new Array(array.length).fill(true);
const result = new Array(array.length).fill(true);