Run results for: Uniqe Items from Two array of Object

Run details:
User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36
Browser: Chrome 100
Operating system: Linux
Device Platform: Desktop
Date tested: 2 years ago
Test name	Executions per second
findIndex	256.5 Ops/sec
map	141.0 Ops/sec
Script Preparation code:
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}
Tests:
findIndex
function diff(a, b) { var i, la = a.length, lb = b.length, res = []; if (!la) return b; else if (!lb) return a; for (i = 0; i < la; i++) { if (b.findIndex((obj) => obj.keyword === a[i].keyword === -1)) res.push(a[i]); } for (i = 0; i < lb; i++) { if (a.findIndex((obj) => obj.keyword === b[i].keyword === -1)) res.push(b[i]); } return res; } let uniqueArr = diff(data.list1, data.list2);
map
function diff(a, b) { var i, la = a.length, lb = b.length, res = []; if (!la) return b; else if (!lb) return a; for (i = 0; i < la; i++) { if (b.map((obj) => obj.keyword === a[i].keyword === -1)) res.push(a[i]); } for (i = 0; i < lb; i++) { if (a.map((obj) => obj.keyword === b[i].keyword === -1)) res.push(b[i]); } return res; } let uniqueArr = diff(data.list1, data.list2);
for loop
function diff(array1, array2) { var unique = [], i, j, k, l, la = array1.length, lb = array2.length; for (i = 0; i < la; i++) { var found = false; for (j = 0; j < lb; j++) { // j < is missed; if (array1[i].keyword == array2[j].keyword) { found = true; break; } } if (found == false) { unique.push(array1[i]); } } for (k = 0; k < lb; k++) { var found = false; for (l = 0; l < la; l++) { // j < is missed; if (array2[k].keyword == array1[l].keyword) { found = true; break; } } if (found == false) { unique.push(array1[i]); } } return unique; } let uniqueArr = diff(data.list1, data.list2);
Run results for: Uniqe Items from Two array of Object

findIndex

map

for loop
