Examples
JS Dynamic Lists
Creating Dynamic Lists
JavaScript dynamic lists create and update DOM elements with appendChild.
Introduction to Dynamic Lists in JavaScript
Dynamic lists in JavaScript allow developers to create and update HTML list elements on-the-fly. This is particularly useful for scenarios where data is fetched asynchronously or when user interactions require updates to the list. In this guide, we'll explore how to use JavaScript's document.createElement and appendChild methods to dynamically manipulate the DOM.
Creating a Simple Dynamic List
Let's start by creating a simple unordered list (<ul>) with list items (<li>) using JavaScript. We will utilize the document.createElement method to create elements and appendChild to add them to the DOM.
Updating an Existing List
Once a list is created, you may need to update it by adding, removing, or modifying items. JavaScript provides several methods to achieve this. Let's look at how you can add a new item and remove an existing one.
Handling Dynamic Data
Dynamic lists are especially useful for handling data that changes over time, such as data fetched from an API. By using event listeners and data-binding techniques, you can efficiently update the list as new data becomes available.
For example, you might fetch data using AJAX (which we'll cover in the next post) and update the list with the new items.
Examples
- Previous
- Form Validation
- Next
- AJAX Fetch
