How to Find Weekends Inside a Date Array in JavaScript

Learn how to efficiently identify `weekend` dates in a JavaScript array with simple methods and clear examples.
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How to Find Weekends Inside a Date Array in JavaScript

The Requirements

When dealing with a date array, you typically want to achieve two objectives:

Count the number of weekend dates.

Retrieve a new array containing only the weekend dates.

To illustrate, let’s assume we have the following date array:

[[See Video to Reveal this Text or Code Snippet]]

From this, we want to identify the dates that fall on the weekend.

Solution 1: Using Native JavaScript

Using the native JavaScript Date object allows you to perform this task seamlessly. Here’s how you can implement the solution:

Step 1: Filter Weekend Dates

You can use the filter method to create an array of weekend dates:

[[See Video to Reveal this Text or Code Snippet]]

Step 2: Count Weekend Dates

To count the number of weekend dates, simply check the length of the weekends array:

[[See Video to Reveal this Text or Code Snippet]]

Full Example

Here’s the complete code snippet to see it all in action:

[[See Video to Reveal this Text or Code Snippet]]

Step 1: Filter Weekend Dates

[[See Video to Reveal this Text or Code Snippet]]

Step 2: Count Weekend Dates

Counting the number of weekend dates is the same as before:

[[See Video to Reveal this Text or Code Snippet]]

[[See Video to Reveal this Text or Code Snippet]]

Conclusion