Britannica AI Icon

Quick Summary

The term "Ajax" in the context of web page programming refers to a set of web development techniques used on the client-side to create asynchronous and interactive web applications. It is not a programming language itself but rather a programming model that combines existing technologies.

Ajax enables web pages to update content dynamically without requiring a full page reload. This is achieved by using JavaScript to exchange data with a web server in the background. The key components often involved are JavaScript, XML (or other data formats like JSON), HTML, and CSS.

This approach allows for a more fluid and responsive user experience, as only necessary parts of the page are updated. For example, when you submit a form or request new data on a website, Ajax can fetch that information and display it without interrupting your current view of the page.123

Summary created from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.

Ask Britannica AI about this topic

Britannica doesn't have a full article on this topic, so we've curated a list of our relevant coverage.