Run results for: Test of 2.1

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36

Browser: Chrome 103

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Script Preparation code:

var data = [];
for (var i=0;i<10000;i++) {
  data.push({key: 'key' + i, value : 'value' + i})
}

AخA
 
var data = [];for (var i=0;i<10000;i++) {  data.push({key: 'key' + i, value : 'value' + i})}

Tests:

fomEntries
Object.fromEntries(data.map(({key, value}) => [key, value]))
Object.fromEntries(data.map(({key, value}) => [key, value]))

data.reduce((acc, current) => {
      acc[current.key] = current.value;
      return acc;
    }, {});

 
data.reduce((acc, current) => {      acc[current.key] = current.value;      return acc;    }, {});

let out = {};
for(let i=0 ; i<data.length ; i++) {
  out[data[i].key] = data[i].value;
}

 
let out = {};for(let i=0 ; i<data.length ; i++) {  out[data[i].key] = data[i].value;}