How to Filter Array in JavaScript?

JavaScript – Filter Array

JavaScript Array filter() method is used to filter the elements of this Array using the callback function. Array.filter() method returns a new array with elements of the original array that returned true for the callback function.

Syntax

The syntax to call filter() method on an array x with a callback function callback is

Examples

In the following example, we take an array of numbers, and filter only even numbers using Array.filter() method.

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In the following example, we filter strings that start with character b using Array.filter() method.

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Conclusion

In this JavaScript Tutorial, we have learnt how to use filter() method on an Array to filter the elements of an Array based on a function.