Run results for: Javascript Array.prototype.push vs index assignment

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Firefox/102.0

Browser: Firefox 102

Operating system: Linux

Device Platform: Desktop

Date tested: 8 months ago

Test name	Executions per second
Array.prototype.push	7232068.0 Ops/sec
index assignment	7875129.0 Ops/sec

Tests:

Array.prototype.push
const arr = [1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3] arr.push(4)
index assignment
const arr = [1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3] arr[arr.length] = 4