In the Full Stack > JavaScript > Higher Order Functions and Callbacks > Build a Library Manager workshop, Step 4 says: Start by displaying all the books. Create a displayBooks function with a ...

Callback function is a function which is executed after the current function (i.e the currently running function) has been executed. As the name signifies Callback function is called back at some ...

Javascript engine first looks for the variable/function being accessed in the local scope of the function, and if not found, it keeps on searching the lexical environment of its parent until it finds ...