Ajax (Asynchronous JavaScript and XML) is not a single technology, but rather a combination of technologies used for creating dynamic and responsive web applications. The core technologies used by Ajax are:
- HTML (Hypertext Markup Language): The markup language used to structure and format web content.
- CSS (Cascading Style Sheets): A style sheet language used for styling the presentation of HTML elements.
- JavaScript: A client-side programming language used for creating interactive and dynamic web content.
- XMLHttpRequest (XHR) object: A built-in JavaScript object that enables asynchronous communication with a server.
- JSON (JavaScript Object Notation): A lightweight data format used for exchanging data between the client and server.
- jQuery: A JavaScript library used for simplifying the process of writing client-side JavaScript code and working with the XHR object.
- React, Angular, or Vue.js: JavaScript frameworks used for building complex client-side applications.
- RESTful web services: A software architectural style used for creating lightweight, scalable web services that communicate using HTTP requests and responses.
Overall, Ajax is a combination of several web technologies used for creating dynamic and responsive web applications. These technologies include HTML, CSS, JavaScript, XHR, JSON, and often additional frameworks and services.