Run results for: Add new element to array - unshift vs destructuring

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36

Browser: Chrome 133

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

spread operator

75.4M/s

Unshift

31.4M/s

View exact numbers

Test name	Executions per second
✓ spread operator	75,379,968 Ops/sec
Unshift	31,360,844 Ops/sec

Tests:

spread operator
var params = [ "hello", true, 7 ] var other = [ 'new', ...params ]
Unshift
var params = [ "hello", true, 7 ]; params.unshift('new');