Run results for: push vs push.apply vs const push spread vs let push spread vs reassign spread

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.99 Safari/537.36

Browser: Chrome 97

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
push	1393.9 Ops/sec
push.apply	1150.8 Ops/sec
const push spread	1398.5 Ops/sec
reassign spread	294.5 Ops/sec
let push spread	1387.6 Ops/sec

Tests:

push

let a = [];
for (let i = 0; i < 1000; i += 1) {
  const values = [i, 10000 + i, 100000 + i];
  values.forEach(value => {
    a.push(value);
  });
}
console.log(a);

AخA
 
let a = [];for (let i = 0; i < 1000; i += 1) {  const values = [i, 10000 + i, 100000 + i];  values.forEach(value => {    a.push(value);  });}console.log(a);

push.apply

let a = [];
for (let i = 0; i < 1000; i += 1) {
  const values = [i, 10000 + i, 100000 + i];
  Array.prototype.push.apply(a, values);
}
console.log(a);

 
let a = [];for (let i = 0; i < 1000; i += 1) {  const values = [i, 10000 + i, 100000 + i];  Array.prototype.push.apply(a, values);}console.log(a);

const push spread

const a = [];
for (let i = 0; i < 1000; i += 1) {
  const values = [i, 10000 + i, 100000 + i];
  a.push(...values);
}
console.log(a);

 
const a = [];for (let i = 0; i < 1000; i += 1) {  const values = [i, 10000 + i, 100000 + i];  a.push(...values);}console.log(a);

reassign spread

let a = [];
for (let i = 0; i < 1000; i += 1) {
  const values = [i, 10000 + i, 100000 + i];
  a = [...a, ...values];
}
console.log(a);

 
let a = [];for (let i = 0; i < 1000; i += 1) {  const values = [i, 10000 + i, 100000 + i];  a = [...a, ...values];}console.log(a);

let push spread

let a = [];
for (let i = 0; i < 1000; i += 1) {
  const values = [i, 10000 + i, 100000 + i];
  a.push(...values);
}
console.log(a);

 
let a = [];for (let i = 0; i < 1000; i += 1) {  const values = [i, 10000 + i, 100000 + i];  a.push(...values);}console.log(a);