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Gary Calhoun10,317 Points
Is the $handle like a variable?
I thought that the handle had to be named just like file but he named the handle main_js and its referencing the app.js I realized this was not true, so am thinking now that a wordpress $handle can be whatever you want it to be, and you can call upon it further into your coding?
As I understand it, I would say no. You're not really passing it a value. It's more like an identifier pointing to a resource, sort of like a username on a message board. I think you can name it whatever you like but it's probably easier to remember what it's pointing to if the name is similar.