Question

Im learning javascript and I just dont understand what this javascript syntax actually means…

Comment = function () {

}

I know that in this context we use it to define an object but what is the stucture called where can I read about it?

Answer 1

You are defining a function named Comment, this is equivalent to:

function Comment() {

}

Because there is now var keyword like here:

var Comment = function() {}

the Comment variable will be added to global object called window, so it is equivalent to:

window.Comment = function() {

}

Also, by convention, capitalized function names are used for so called constructors:

var comment = new Comment();