Run results for: reduce.concat() vs flat()

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:130.0) Gecko/20100101 Firefox/130.0

Browser: Firefox 130

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Array.prototype.flat

5.0M/s

reduce + Array.prototype.concat

4.4M/s

View exact numbers

Test name	Executions per second
✓ Array.prototype.flat	5,024,728 Ops/sec
reduce + Array.prototype.concat	4,412,114 Ops/sec

Tests:

reduce + Array.prototype.concat
var params = [[ 1, 2 ], [ "hello", true, 7 ]]; var other = params.reduce((acc, val) => acc.concat(val), []);
Array.prototype.flat
var params = [[1, 2, params], [ "hello", true, 7 ]]; var other = params.flat();