Run results for: Generate combinations

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.0.0 Safari/537.36 OPR/101.0.0.0

Browser: Opera 101

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
short	776244.2 Ops/sec
longer	95332.8 Ops/sec

Tests:

short
const getAllSubsets = theArray => theArray.reduce( (subsets, value) => subsets.concat( subsets.map(set => [value,...set]) ), [[]] ); getAllSubsets([1,2,3,4,5,6])
longer
const wrap = (variant) => [variant].flat() const combo = ([head, ...rest], items) => (!head ? [items] : [...combo(rest, [...items, head]), ...combo(rest, items)]) const getCombinations = (items, separator = "/") => combo(wrap(items), []) .sort((a, b) => b.length - a.length) .map((part) => part.join(separator)) getCombinations([1,2,3,4,5,6])