How To Call A Function In Javascript?

how to call a function in javascript – The call() method is a predefined JavaScript method. It is used to call a function contains this value and an argument provided individually.

how to call a function in javascript

Contents

The call() method is used to write methods for different objects. there are main 4 ways to call a function in JavaScript. As a function, As a method, As a constructor and via call and apply.

Calling a function as a function

force the context to be undefined

Calling a function as a method

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Calling a function via call and apply

//call accepts a list of values
displayProfile.call(valueOfThis, 1, 2, 3);

//apply accepts an array of values
displayProfile.apply(valueOfThis, [1, 2, 3]);

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how to call a function in javascript?