What are the methods associated with XMLHttpRequest object?
XMLHttpRequest Object Methods
| Method | Description |
|---|---|
| new XMLHttpRequest() | Creates a new XMLHttpRequest object |
| abort() | Cancels the current request |
| getAllResponseHeaders() | Returns header information |
| getResponseHeader() | Returns specific header information |
How does XMLHttpRequest work in Javascript?
XMLHttpRequest (XHR) objects are used to interact with servers. You can retrieve data from a URL without having to do a full page refresh. This enables a Web page to update just part of a page without disrupting what the user is doing. XMLHttpRequest is used heavily in AJAX programming.
What are the types of send () method used for XMLHttpRequest?
To send a request to a server, we use the open() and send() methods of the XMLHttpRequest object:
- open(“GET”, “ajax_info.txt”, true); xhttp. send();
- open(“GET”, “ajax_test. asp”, true);
- open(“GET”, “ajax_test. asp”, true);
What is XMLHttpRequest explain any three methods of it?
XMLHTTPRequest is basically used in Ajax programming. It retrieve any type of data such as json, xml, text etc. It request for data in background and update the page without reloading page on client side. An object of XMLHTTPRequest is used for asynchronous communication between client and server.
What are the types of open () method used for XMLHttpRequest?
XMLHttpRequest Methods
- abort() Cancels the current request.
- getAllResponseHeaders() Returns the complete set of HTTP headers as a string.
- getResponseHeader( headerName )
- open( method, URL )
- open( method, URL, async )
- open( method, URL, async, userName )
- open( method, URL, async, userName, password )
- send( content )
What XMLHttpRequest method must be used to send a POST request to the server?
XMLHttpRequest.send()
send() The XMLHttpRequest method send() sends the request to the server. If the request is asynchronous (which is the default), this method returns as soon as the request is sent and the result is delivered using events.
How do I send a request body in XMLHttpRequest?
send() The XMLHttpRequest method send() sends the request to the server. If the request is asynchronous (which is the default), this method returns as soon as the request is sent and the result is delivered using events. If the request is synchronous, this method doesn’t return until the response has arrived.