Benchmark: Array.prototype.concat vs spread operator

Tests:

Array.prototype.concat
var params = [ "hello", true, 7 ]; var clone = [ ...params ]; clone.push({something: 'new'});
spread operator
var params = [ "hello", true, 7 ] var clone = params.concat([{something: 'new'}])

Rendered benchmark preparation results:

Previous results

Test case name	Result
Array.prototype.concat
spread operator

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Latest run results:

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

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36

Browser/OS: Chrome 67 on Mac OS X 10.13.5

Test name	Executions per second
Array.prototype.concat	20655250.0 Ops/sec
spread operator	5898549.0 Ops/sec

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