XML AJAXLesson 21Free preview

AJAX Introduction

This lesson is part of XML · All levels

Summary

AJAX (Asynchronous JavaScript And XML) is a web page building technique that updates data partially via asynchronous requests to servers, without reloading the entire page. AJAX uses XMLHttpRequest or fetch, and then inserts the result into the page with the DOM. Despite its name XML, modern data is commonly JSON.

Key points

AJAX allows asynchronous communication between pages and servers
Pages do not need to be fully reloaded to update content
The core components of AJAX are XMLHttpRequest, DOM, and JavaScript
AJAX data format can be XML or JSON
The application is in live search, infinite scroll, and dynamic form.

Full lesson

Code examples and quizzes

Full lessons, code examples, and quizzes are available to subscribers. 5 questions.