if you have array of ids what is better to remove id

On va voir lequel est plus opti

test performance of array sorting using default sort() and localeCompare() of javascript

delete vs null vs undefined vs void 0 vs Object.create(null)

delete vs null vs undefined vs void 0 vs Object.create(null)

Comparing speed of getting element by id with jQuery vs Vanilla JS

Comparing speed of getting element by id with jQuery vs Vanilla JS

Comparing speed of getting element by id with jQuery vs Vanilla JS