Note_Tech

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jQuery - Ajax

jQuery - Ajax

Ajax

AJAX = Asynchronous JavaScript and XML.
- loading data in the background and display it on the webpage, without reloading the whole page.

HTTP Request: GET vs. POST

Two commonly used methods for a request-response between a client and server are: GET and POST.
- GET: Requests data from a specified resource
- POST: Submits data to be processed to a specified resource

Ajax Method

Ajax	Description
`$.ajax(url)`	Perform an asynchronous HTTP (Ajax) request
`$.get(url)`	Load data from the server using a HTTP GET request.
`$.getJSON(url)`	Load JSON-encoded data from the server using a GET HTTP request.
`$.post(url)`	Send data to the server using a HTTP POST request.
`.load(url)`	Load data into element

Helping Method

Method	Description
`.serialize()`	Creates a text string in standard URL-encoded notation
`.serializeArray()`	Creates a JavaScript array of objects