Скачать или смотреть Filtering an HTML Table by Month in JavaScript

Learn how to filter an HTML table based on a selected month using JavaScript. It's simpler than you think!
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This video is based on the question https://stackoverflow.com/q/73869614/ asked by the user 'Annelotte' ( https://stackoverflow.com/u/19449546/ ) and on the answer https://stackoverflow.com/a/73870051/ provided by the user 'Carsten Massmann' ( https://stackoverflow.com/u/2610061/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Filtering an HTML Table by Month in JavaScript: A Comprehensive Guide

If you’re working with HTML tables that contain date information, you might find it beneficial to filter the table based on months instead of specific dates. This method allows users to easily view all entries relevant to a particular month. If you've previously implemented filtering by a specific date and are looking to expand on that, you're in the right place!

In this guide, we will walk through the process of modifying an HTML table to allow filtering by month using JavaScript. We'll discuss the necessary changes in HTML, provide a modified approach without jQuery, and explain how it all works.

The Problem: Filtering by Date

As mentioned, you may have implemented filtering for your HTML table, allowing users to input a specific date. However, to enhance user experience, allowing them to select a month instead—thereby displaying all data within that month—is more intuitive.

Here’s what your existing setup might look like (for context):

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

The Solution: Filtering by Month

1. Updated HTML Structure

Instead of using a date picker input, we will switch to a dropdown <select> element that lists the months. Additionally, we will generate the month options dynamically, covering the current year and the next two years.

Here’s the updated HTML:

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

2. JavaScript Code for Filtering

Next, we'll use JavaScript to populate the dropdown with month options and add functionality to filter the table based on the selected month. Here’s how we can do it:

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

How the Code Works

Dynamic Month Creation: The code generates options for the <select> dropdown by iterating through an array. It creates months for the current year and for the next few years.

Event Listener: When the user selects a month, the event listener triggers the filtering function.

Filtering Logic: Each row of the table is checked to see if it contains the selected month in its text content. If it does, it's displayed; otherwise, it is hidden.

Conclusion

By shifting from a date picker to a month selector, we've simplified the filtering process for users. This approach not only makes the interface cleaner but also improves overall functionality by showcasing all records for a chosen month instead of isolating a single date.

Now you have everything you need to implement a month-based filtering system for your HTML table! Happy coding!