Benchmark: Javascript Array.prototype.push vs index assignment

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

Rendered benchmark preparation results:

Previous results

Test case name	Result
Array.prototype.push
index assignment

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Latest run results:

Run details: (Test run date: 8 months ago)

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

Browser/OS: Firefox 102 on Linux

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

Javascript Array.prototype.push vs index assignment (version: 0)