Run results for: Object set vs new spread when reducing over results

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36

Browser: Chrome 120

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Set	13852.5 Ops/sec
Spread	100.9 Ops/sec

Tests:

Array(10000).fill(1).reduce((acc, i, indx) => {acc[indx] = i; return acc;}, {});

AخA
 
Array(10000).fill(1).reduce((acc, i, indx) => {acc[indx] = i; return acc;}, {});

Array(10000).fill(1).reduce((acc, i, indx) => {return {...acc, [indx]: i}}, {});

 
Array(10000).fill(1).reduce((acc, i, indx) => {return {...acc, [indx]: i}}, {});