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Dynamically creating JavaScript elements with event handlers

Blog post from LogRocket

Post Details
Company
Date Published
Author
Amarachi Amaechi
Word Count
2,297
Language
-
Hacker News Points
-
Summary

The article, updated by Kayode Adeniyi on April 19, 2023, delves into the intricacies of JavaScript events and event handlers, explaining how these components control the behavior of code in a web browser, akin to a traffic light managing traffic flow. It distinguishes between event handlers and event listeners, highlighting their attachment methods to HTML elements, and explores various types of handlers such as inline, traditional, and DOM level 0 event handlers. The article further outlines the lifecycle of a JavaScript event through its capture, target, and bubbling phases, and emphasizes the importance of dynamic element creation using document.createElement and template literals to attach event handlers. Through practical examples, it demonstrates the process of creating and managing dynamic JavaScript elements, using methods like document.createRange and createContextualFragment to inject elements into the DOM and apply event listeners, such as clicking a button to reveal hidden content.