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What is JavaScript function call() method?

The JavaScript Function call () method calls a function with a given this value and arguments provided individually. The call () method calls a function by passing this and specified values as arguments.

How to call a function in JavaScript?

Calling a function in JavaScript is quite straightforward. You use the function name followed by parentheses (). Example 1: Here, sayHello is the function, and to call it, you simply write sayHello(). If the function takes parameters, you include them inside the parentheses. Hello, World!

What is a function in JavaScript?

In JavaScript all functions are object methods. If a function is not a method of a JavaScript object, it is a function of the global object (see previous chapter). The example below creates an object with 3 properties, firstName, lastName, fullName. In the example above, this refers to the person object.

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