Скачать или смотреть How to Properly Remove Form Fields with JavaScript and jQuery

Learn how to correctly implement functionality for `removing form fields` in your web applications using JavaScript and jQuery. Follow our step-by-step guide to enhance your forms today!
---
This video is based on the question https://stackoverflow.com/q/70976720/ asked by the user 'Alex Manea' ( https://stackoverflow.com/u/10342017/ ) and on the answer https://stackoverflow.com/a/70977067/ provided by the user 'Kosh' ( https://stackoverflow.com/u/5724303/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: Remove form field javascript

Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l...
The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license.

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
---
Managing Dynamic Form Fields with JavaScript and jQuery

Dynamic forms are a common requirement in modern web applications, especially when dealing with repetitive data entries like employee information. A frequent challenge developers face is managing the ability to add and remove these dynamic fields efficiently. Today, we’ll tackle the issue of removing form fields using JavaScript and jQuery. If you've encountered issues with your removal function, this guide is for you!

The Problem

Imagine you have a form that allows users to enter information about employees. Users can click on a "+ " icon to add new employee entries. However, when they click on the "-" icon (which is meant for removing a field), it might not work as expected. Instead of removing the desired input field, the script mistakenly adds new rows up to a maximum limit.

A Sample Scenario

A form starts with one input field for employee names.

Users can add up to 3 fields.

The goal is to allow users to click a "-" icon next to an input field to remove it.

The Solution

1. Understanding the Code Structure

Below is the modified code that correctly implements the dynamic addition and removal of form fields in a table format.

JavaScript Code:

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

HTML Structure:

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

2. Key Changes Explained

Class Assignments: Ensure that the add_button and remove_button classes are assigned correctly to the <i> elements.

Unique IDs: The id attribute should be unique across the HTML document. To avoid duplicate IDs, consider managing the input's name attributes instead.

Removing Elements: Instead of using parent('div'), which doesn’t exist in this context, use closest('tr') to accurately find and remove the entire row from the table when you click the "-" icon.

3. Final Thoughts

By implementing the suggested changes and truly understanding how the jQuery interactions work, you can efficiently manage your dynamically generated forms. This approach not only enhances the user experience but also leads to cleaner and more maintainable code.

With this knowledge, you can successfully implement forms that are more interactive and user-friendly. Don't hesitate to share your experiences or questions in the comments below — let's continue to improve the way we build web applications together!