Andrew Ford priority asked 1 year ago


I have 4 tabs;

  • #nearMeTab
  • #friendsTab
  • #everyoneTab
  • #myChatterTab

I only want to save either "nearMeTab", "friendsTab", or "everyoneTab" in the database.

To ensure the user can come back to the last tab they visited, I need to use document.querySelectorAll() - but I am getting the following error;

Uncaught TypeError: document.querySelectorAll(...).addEventListener is not a function

By using document.querySelector(), only the first tab's ID gets saved.


Kamila Pieńkowska staff answered 1 year ago


document.querySelectorAll() results in an array and you cannot addEventListener to an array. You have to iterate through all elements in the array and addEventListener to every single one.



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