Attribute value binding: square brackets vs curly brackets

Question

I\'ve downloaded Angular CLI 6.0.7 for Node and am playing around with it, following tutorials, etc. to learn as much as possible.

One thing I have a question about

Answer 1

They may seem to be the same but, {{ }} will convert the input to a string. However if you want to input a number or an object, you must use [ ].

I included a stackblitz representation for the same here