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Why is AJAX better than the traditional way of sending receiving data from a server?
Advantages of AJAX As AJAX request are asynchronous, the user does not have to wait for the request processing to complete. AJAX is not difficult, you can easily implement AJAX in a meaningful manner. Better performance and reduced network traffic. No screen flickers when the portion of the page updated.
Why is it important that AJAX is asynchronous?
Making Asynchronous Calls: Ajax allows you to make asynchronous calls to a web server. This allows the client browser to avoid waiting for all data to arrive before allowing the user to act once more. Increased Speed: The main purpose of Ajax is to improve the speed, performance and usability of a web application.
How does Ajax work with a WebSocket connection?
Implementing AJAX on a WebSocket connection is conceptually very easy: The data is encoded as JSON. The JSON data is sent to the server over the WebSocket connection. The server reconstructs the data from the JSON string.
How to communicate with the server using WebSockets?
Communicating with the Server As soon as we have a connection to the server (when the open event is fired) we can start sending data to the server using the send (your message) method on the connection object. It used to support only strings, but in the latest specification, it now can send binary messages too.
When did Ajax start communicating with the server?
Around 2005, AJAX started to make the web feel more dynamic. Still, all HTTP communication is steered by the client, which requires user interaction or periodic polling to load new data from the server.
How big is the Ajax over WebSocket library?
The AJAX over WebSocket client library is implemented in a mere 22 lines of code. To get this code and a fully working example, including the server code, download our AJAX over WebSocket Example.