Run results for: concat vs Destructuring

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36 OPR/100.0.0.0 (Edition Yx GX)

Browser: Opera 100

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Spread Operator	20766.4 Ops/sec
concat	32990.7 Ops/sec

Tests:

Spread Operator
const before = Array(10000).fill('before') const after = Array(10000).fill('after') before.push(...after)
concat
const before = Array(10000).fill('before') const after = Array(10000).fill('after') before.concat(after)

Run results for: concat vs Destructuring

Spread Operator

concat