Introduction to AJAX

AJAX (Asynchronous JavaScript And XML) is a set of web development techniques using many existing web technologies on the client-side to create asynchronous Web applications. With Ajax, web applications can send data to and retrieve from a server asynchronously without fully reloading the page. XMLHttpRequest (XHR) object is used to communicate with server-side scripts in in a variety of formats like JSON, XML, HTML, and even text files.

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JavaScript introduction for the Beginners

JavaScript is the most commonly used scripting language, created for making html-pages live. It is a high-level, dynamic, lightweight, and interpreted programming language. It is used commonly in combination with HTML and CSS.

Generally, JavaScript is used to add dynamic function to HTML. It can do things that HTML cannot do and even can change the HTML dynamically. Furthermore, it can manipulate the HTML itself.

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