Benchmark: Array.prototype.concat vs spread operator new 2020

Tests:

Array.prototype.concat
var params = [ "hello", true, 7 ]; var other = [ 1, 2 ].concat(params);
spread operator
var params = [ "hello", true, 7 ] var other = [ 1, 2, ...params ]

Rendered benchmark preparation results:

Previous results

Test case name	Result
Array.prototype.concat
spread operator

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

Latest run results:

Run details: (Test run date: 3 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.135 Safari/537.36 OPR/70.0.3728.189

Browser/OS: Opera 70 on Windows

Test name	Executions per second
Array.prototype.concat	5215034.0 Ops/sec
spread operator	36878790.0 Ops/sec

Array.prototype.concat vs spread operator new 2020 (version: 0)