let arr = [ {id: 1, data: {foo: "bar 1"}}, {id: 2, data: {foo: "bar 2"}} ]; //In case the ID does not exist just add as a new element on the array arr = [...arr, {id: 3, data: {foo:…
I am currently working on a React project and encountered an interesting issue related to shallow copying objects. In my component, I have a form where I collect data, and I noticed that different methods of shallow copying the data…
The syntax is identical so how does JavaScript distinguish the two under the hood? Does it look at the data type of the variable that is being operated on? Or where that variable is being used? Both or neither?