Dhananjay Kumar

In JavaScript, functions are objects, and they can:

• Be passed as an argument to another function
• Return as a value from a function
• Be assigned to a variable

Let’s assume that you have a JavaScript function (let’s call it function A) with the following properties:

• Function A takes another function (let’s call this one function CB) as one of the parameters.
• Function A executes the function CB in its body

In the above scenario, function CB is known as the Callback function. Let’s learn more about it using the following code:

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