Run results for: concat vs spread funcking operator2

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36

Browser: Chrome 70

Operating system: Linux

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
concat	653742.0 Ops/sec
spread	725760.6 Ops/sec

Tests:

concat
const a = [ {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 15000000}, {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 'asdasdasd'}, {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 15000000}, {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 15000000}, {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 'asdasdasd'}, {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 15000000}, {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 15000000}, {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 15000000}, {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 15000000}, {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 'asdasdasd'}, ] const b = [ {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 15000000}, {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 'asdasdasd'}, {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 15000000}, {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 15000000}, {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 'asdasdasd'}, {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 15000000}, {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 15000000}, {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 15000000}, {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 15000000}, {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 'asdasdasd'} ] const result = a.concat(b)
spread
const a = [ {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 15000000}, {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 'asdasdasd'}, {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 15000000}, {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 15000000}, {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 'asdasdasd'}, {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 15000000}, {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 15000000}, {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 15000000}, {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 15000000}, {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 'asdasdasd'}, ] const b = [ {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 15000000}, {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 'asdasdasd'}, {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 15000000}, {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 15000000}, {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 'asdasdasd'}, {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 15000000}, {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 15000000}, {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 15000000}, {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 15000000}, {b:1, c:2, d:3, e:4, f: {a:1, b:2}, e: false, x: 'asdasdasd'} ] const result = [...a, ...b]