How to set/update arrays inside objects in Firebase/Vue.js

Im here to save your life. You will learn how to set or update an array inside and object inside ANOTHER object in Firebase.

In one of my Firebase/Vue.js projects, i needed to update a document with a complex structure. Something like this:

As we know, if we want to just update “profile”, we only need to do this:

But if we have to set/update a path like this:


How we can do that? It’s very simple

And pushing to an array:


This is how Firebase knows that this is a path.

Plus, we can pass dynamic paths, so the code can be reutilized:

It’s important to use `` instead of “” or ‘’, and don’t forget the square brackets! [].



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