Benchmark: Array push vs spread operator (including front) - MeasureThat.net

Tests:

Push
var params = [ "hello", true, 7 ] var other = params.push(1);
Spread
var params = [ "hello", true, 7 ] var other = [...params, 1];
Push Front
var params = [ "hello", true, 7 ] var other = params.unshift(1);
Spread Front
var params = [ "hello", true, 7 ] var other = [1, ...params];

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Push
Spread
Push Front
Spread Front

Fastest: N/A

Slowest: N/A

ⓘ Get performance results from real users on your website with Request Metrics.

Website Performance Monitoring by Request Metrics

Latest run results:

Run details: (Test run date: 4 years ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.92 Safari/537.36

Browser/OS: Chrome 81 on Mac OS X 10.14.3

View result in a separate tab

Test name	Executions per second
Push	18147850.0 Ops/sec
Spread	11412340.0 Ops/sec
Push Front	6267920.0 Ops/sec
Spread Front	20466120.0 Ops/sec