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🧡 Hello All JavaScript Lovers Outhere!

Today you’re going to learn about the Array Object In JavaScript.

This tutorial is a series of videos, in each video we will discuss a method (or more) of the Array Object in JavaScript.

In today’s video, you’re going to learn about the filter method.

The filter() method creates a new array filled with elements that pass a test provided by a function.
The filter() method does not execute the function for empty elements.
The filter() method does not change the original array.

🟢🟠 The Array.map().
🔷 Syntax :
// Callback function
filter(callbackFn)
filter(callbackFn, thisArg)

// Inline callback function
filter(function(element) /* … */ )
filter(function(element, index) /* … */ )
filter(function(element, index, array) /* … */ )
filter(function(element, index, array) /* … */ , thisArg)

🔹callbackFn : Function to execute on each element.
The function is called with the following arguments:

🔹element : The current element being processed in the array.
🔹index : The index of element in the array.
🔹array : The array forEach() was called upon.
🔹thisArg (Optional) : Value to use as this when executing callbackFn.

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JavaScript For Beginner

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JavaScript For Beginner

If you are just starting with JavaScript, this course is perfect for you. It will show you how to make simple programs and web applications. You’ll also learn how to modify web pages.