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Can you pass a function as a parameter in JavaScript?

In this example, you will learn to write a JavaScript program that will pass a function as a parameter. To understand this example, you should have the knowledge of the following JavaScript programming topics: In the above program, there are two functions: name () and greet (). The name () function takes two parameters.

How do I pass variables between functions in JavaScript?

Passing data is quite important in functional programming languages like JavaScript. When there are multiple functions (which is most of the time), there needs to be a way to pass data between the functions. This is done by passing values in parenthesis: myFunction(myData).

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