Benchmark: Combine "set with destructuring" vs "map with push"

Tests:

set with destructuring
const teachers = [{id: 'A'}, {id: 'B'}, {id: 'C'}, {id: 'F'}, {id: 'H'}, {id: 'I'}]; const admins = [{id: 'A'}, {id: 'C'}, {id: 'D'}, {id: 'E'}, {id: 'F'}, {id: 'G'}]; const ids = new Set(teachers.map(item => item.id)); const merged = [...teachers, ...admins.filter(item => !ids.has(item.id))];
map with push
const users = [{id: 'A'}, {id: 'B'}, {id: 'C'}, {id: 'F'}, {id: 'H'}, {id: 'I'}]; const addendUsers = [{id: 'A'}, {id: 'C'}, {id: 'D'}, {id: 'E'}, {id: 'F'}, {id: 'G'}]; const combinedUsersMap = {}; const combinedUsers = []; users.forEach(user => { if (!combinedUsersMap[user.id]) { combinedUsersMap[user.id] = true; combinedUsers.push(user); } }); addendUsers.forEach(addendUser => { if (!combinedUsersMap[addendUser.id]) { combinedUsersMap[addendUser.id] = true; combinedUsers.push(addendUser); } });

Rendered benchmark preparation results:

Previous results

Test case name	Result
set with destructuring
map with push

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Related benchmarks:

Combine "set with destructuring" vs "map with push" (version: 0)