Run results for: Array.prototype.concat vs spread operator for joining arrays

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.135 Safari/537.36

Browser: Chrome 84

Operating system: Mac OS X 10.15.5

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
ES6 Spread Operator	13417910.0 Ops/sec
Array.prototype.concat	4878913.0 Ops/sec

Tests:

ES6 Spread Operator
const foo = [ {a: 'b', c: 'd'}, {a: 'b', c: 'd'}, ]; const bar = [ {a: 'b', c: 'd'}, {a: 'b', c: 'd'}, ]; const baz = [...foo, ...bar];
Array.prototype.concat
const foo = [ {a: 'b', c: 'd'}, {a: 'b', c: 'd'}, ]; const bar = [ {a: 'b', c: 'd'}, {a: 'b', c: 'd'}, ]; const baz = foo.concat(bar);