jQuery ajax-ajax()

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This jQuery method is used to carry out AJAX (asynchronous HTTP) request.
It is a legitimate but most used and secure jQuery ajax method.
All the ajax method used in jQuery need the ajax() method to full fill their working internally.
When the other jQuery ajax methods are unable to perform any task, then ajax() method is used.

Related Topics:

jQuery ajax-load

jQuery ajax-get

jQuery ajax-ajax

Syntax:

$.ajax({name:value, name:value, ... });

Parameter Description:

The parameters represent one or more name/value pairs for the AJAX request. All possible pairs for this parameter are:

Name	Value/Description
async	A Boolean value indicating whether the request should be handled asynchronous or not. Default is true
beforeSend(xhr)	A function to run before the request is sent
cache	A Boolean value indicating whether the browser should cache the requested pages. Default is true
complete(xhr,status)	A function to run when the request is finished (after success and error functions)
contentType	The content type used when sending data to the server. Default is: "application/x-www-form-urlencoded"
context	Specifies the "this" value for all AJAX related callback functions
data	Specifies data to be sent to the server
dataFilter(data,type)	A function used to handle the raw response data of the XMLHttpRequest
dataType	The data type expected of the server response.
error(xhr,status,error)	A function to run if the request fails.
global	A Boolean value specifying whether or not to trigger global AJAX event handles for the request. Default is true
ifModified	A Boolean value specifying whether a request is only successful if the response has changed since the last request. Default is: false.
jsonp	A string overriding the callback function in a jsonp request
jsonpCallback	Specifies a name for the callback function in a jsonp request
password	Specifies a password to be used in an HTTP access authentication request.
processData	A Boolean value specifying whether or not data sent with the request should be transformed into a query string. Default is true
scriptCharset	Specifies the charset for the request
success(result,status,xhr)	A function to be run when the request succeeds
timeout	The local timeout (in milliseconds) for the request
traditional	A Boolean value specifying whether or not to use the traditional style of param serialization
type	Specifies the type of request. (GET or POST)
url	Specifies the URL to send the request to. Default is the current page
username	Specifies a username to be used in an HTTP access authentication request
xhr	A function used for creating the XMLHttpRequest object

Example:

In this example we replace the content of the div element with the server file content.

Step 1 create a server data file ajax_data.php

ajax_data.php

<h3> Welcome to CodingTag jQuery tutorial. </h3>
<h3> This is the ajax() method example. </h3>

Step 2 create a new file on which the server file content will be displayed by the ajax() method.

<html>
 <head>
 <title> jQuery Example </title>
 <script type = "text/javascript"
        src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js">
      </script>
<style>
div{
background:pink;
font-weight: 700;
padding:5px;
margin:5px;
font-size:16px;
}
h3{
background:yellow;
padding:5px;
margin:5px;
}
button{
background:green;
padding:10px;
color:white;
border:1px solid green;
}
</style>
<script>
$(document).ready(function(){
 $("button").click(function(){
     $.ajax({
	 url: "ajax_data.php",
	 async: false,
	 success: function(result){
      $("#res").html(result);
        }
});
});
});
</script>
 </head>
 <body>
<h2> jQuery ajax() Method Example </h2>
<div id="res">
Resultant data will be show here....
</div>
<button> Click Me! </button>
 </body>
</html>