AJAX is an acronym standing for Asynchronous JavaScript and XML that is the art of exchanging data with a server without a browser page refresh.
jQuery is a great tool that provides a set of AJAX methods to develop the next generation of web application. This jQuery method is mostly used for requests where the other methods cannot be used.
$.ajax({name:value, name:value, ... }) $.ajax({
url: "ajax.php",
context: document.body
}).done(function() {
console.log('Done..');
});
$.ajax({
type:'GET',
url:'index.php',
dataType:'json',
data:"gender=male&age=25",
success:function(data){
console.log('Success..');
}
})
Here are possible names/values:
| Name | Value |
|---|---|
| async | A Boolean value indicating whether the request should be handled asynchronous or not. Default is true |
| cache | A Boolean value indicating whether the browser should cache the requested pages. Default is true |
| beforeSend(xhr) | A function to run before the request is sent |
| contentType | The content type used when sending data to the server. Default is: “application/x-www-form-urlencoded” |
| complete(xhr,status) | A function to run when the request is finished (after success and error functions) |
| data | Specifies data to be sent to the server |
| context | Specifies the “this” value for all AJAX related callback functions |
| dataType | The data type expected of the server response. |
| dataFilter(data,type) | A function used to handle the raw response data of the XMLHttpRequest |
| global | A Boolean value specifying whether or not to trigger global AJAX event handles for the request. Default is true |
| error(xhr,status,error) | A function to run if the request fails. |
| jsonp | A string overriding the callback function in a jsonp request |
| ifModified | A Boolean value specifying whether a request is only successful if the response has changed since the last request. Default is: false. |
| password | Specifies a password to be used in an HTTP access authentication request. |
| jsonpCallback | Specifies a name for the callback function in a jsonp request |
| scriptCharset | Specifies the charset for the request |
| processData | A Boolean value specifying whether or not data sent with the request should be transformed into a query string. Default is true |
| timeout | The local timeout (in milliseconds) for the request |
| success(result,status,xhr) | A function to be run when the request succeeds |
| type | Specifies the type of request. (GET or POST) |
| traditional | A Boolean value specifying whether or not to use the traditional style of param serialization |
| xhr | A function used for creating the XMLHttpRequest object |
| username | Specifies a username to be used in an HTTP access authentication request |
| url | Specifies the URL to send the request to. Default is the current page |
For more details click on jQuery documentation.
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