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JavaScript JavaScript and the DOM (Retiring) Responding to User Interaction Delaying Execution with setTimeout()

Passing functions to functions as Arguments

I still dont understand the Concept of passing functions to functions as parameters and why is useful ??! could someone help please!!

1 Answer

Martin Coutts
Martin Coutts
18,154 Points

A callback function is the code block you want your method to “callback” to. So after the 3000 milliseconds the code inside the function will execute, for example logging something to the console. This gets used a lot in other languages as well. Hope this helped.