What is XML HTTP response?
The XMLHttpRequest response property returns the response’s body content as an ArrayBuffer , Blob , Document , JavaScript Object , or DOMString , depending on the value of the request’s responseType property.
What is XML request and response?
XML request and response support consists of two main functions: The XML parsing function parses an inbound XML request message and maps XML elements to a fixed format COMMAREA. See XML message formats for a sample of a request message in XML format.
How does XMLHttpRequest work?
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 is the role of XMLHttpRequest object in AJAX?
The XMLHttpRequest object can be used to exchange data with a server behind the scenes. This means that it is possible to update parts of a web page, without reloading the whole page.
What is the XML DOM object?
The XML Document Object Model (DOM) class is an in-memory representation of an XML document. The DOM allows you to programmatically read, manipulate, and modify an XML document. The XmlReader class also reads XML; however, it provides non-cached, forward-only, read-only access.
How do you display the XHR response?
You can get it by XMLHttpRequest. responseText in XMLHttpRequest. onreadystatechange when XMLHttpRequest. readyState equals to XMLHttpRequest.
What are important methods of XMLHttpRequest?
Methods of XMLHttpRequest object
| Method | Description |
|---|---|
| void open(method, URL, async, username, password) | same as above but specifies username and password. |
| void send() | sends get request. |
| void send(string) | send post request. |
| setRequestHeader(header,value) | it adds request headers. |
What is XML DOM model?
What is XML DOM. DOM is an acronym stands for Document Object Model. It defines a standard way to access and manipulate documents. The Document Object Model (DOM) is a programming API for HTML and XML documents. It defines the logical structure of documents and the way a document is accessed and manipulated.
What is DOM format?
The Document Object Model (DOM) is a cross-platform and language-independent interface that treats an XML or HTML document as a tree structure wherein each node is an object representing a part of the document. The DOM represents a document with a logical tree.