Function cannot read property but other function can?

[lasjorg]

I’m going to add a post to your other thread. I think it is more relevant to the questions you have.

Dynamically removing from array

You should generate a unique id for each product, use something like the uuid package. Pass the id to the Removefromcart method and filter the state using the id. You should really make the cart an array of objects, not an array of arrays. That way you can reference each property by name and not by index. Instead of passing the event to addCart and constructing the state from it, pass the serviceitems object and get the properties that you already have from the JSON data. Just like you a…