Скачать или смотреть How to Bind Custom Events to Dynamically Created Elements in JavaScript

Learn how to effectively bind custom events to dynamically created elements in JavaScript using jQuery's event delegation and custom function handling.
---
This video is based on the question https://stackoverflow.com/q/66217118/ asked by the user 'Pedro Magalhães' ( https://stackoverflow.com/u/10367730/ ) and on the answer https://stackoverflow.com/a/66217830/ provided by the user 'XH栩恒' ( https://stackoverflow.com/u/12566546/ ) 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: Bind custom event to dynamic created elements

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.
---
How to Bind Custom Events to Dynamically Created Elements in JavaScript

Handling events with dynamically created elements can be quite a challenge in JavaScript and jQuery. You might have faced situations where your established event bindings suddenly stop working after those elements are generated dynamically. This guide addresses a common issue: binding a custom event, specifically a double-click event, to dynamically created elements.

The Problem

You may have successfully used jQuery's .on() method to bind single events to dynamic elements. However, when you try to bind a custom event, such as handling single and double-clicks with a plugin, things might not work as intended.

Here's a basic example of the expected scenario:

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

This code works seamlessly when you have static elements. But when using:

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

the event fails to trigger. The reason behind this is that oneordoubleclick is not a standard event that jQuery's event delegation can recognize.

The Solution

Based on an understanding of how custom events function within JavaScript and jQuery, we need to take a different approach. Here’s a step-by-step breakdown of how to effectively bind custom events using plain functions instead.

Step 1: Define Custom Functions

First, create individualized functions that will handle your single and double-click events:

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

Step 2: Handle Click Events

Next, you need to define a mechanism to discern between single and double-clicks. This can be achieved using a timeout:

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

Step 3: Bind the Events

Lastly, bind the click and double-click events using jQuery's method:

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

Summary

Using custom functions for handling single and double clicks can greatly increase the functionality of your dynamic elements. Instead of relying exclusively on plugins that may not register with jQuery's event delegations, this method allows you to effectively bind events without compromising functionality.

By following the above steps, you can successfully bind custom events to dynamically created elements, ensuring that your user interface remains fluid and responsive, regardless of how elements are generated. If you encounter any issues, consider the event types and ensure you're using the right techniques for binding and handling events.

Happy coding!