Run results for: remove duplicates from array

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:104.0) Gecko/20100101 Firefox/104.0

Browser: Firefox 104

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Tests:

a
let a=[1,1,2,2,3,3,4,4,5,5] function uniq_fast(a) { var seen = {}; var out = []; var len = a.length; var j = 0; for(var i = 0; i < len; i++) { var item = a[i]; if(seen[item] !== 1) { seen[item] = 1; out[j++] = item; } } return out; } console.log(uniq_fast(a));
b
let a=[1,1,2,2,3,3,4,4,5,5] function uniq(a) { return Array.from(new Set(a)); } console.log(uniq(a));
c
let a=[1,1,2,2,3,3,4,4,5,5] let uniq = a => [...new Set(a)]; console.log(uniq(a));