Class XMLHttpRequest

Object that provides some HTTP client functionality.

Members Table

The following table lists the members exposed by the XMLHttpRequest object.

Show inherited members (marked with *)

Show: Properties Methods

Attribute Description Property Type Readonly Description onreadystatechange Function false An attribute that represents a function that MUST be invoked when readyState changes value. readyState Number false The state of the object (0 - Uninitialized, 1 - Open, 2 - Sent, 3 - Receiving, 4 - Loaded). responseText String false The body of the data received so far. responseXML XMLDocument false Document object, representing the parsed data. status Number false Represents the HTTP status code. (Available when readyState is 3 or 4) statusText String false Represents the HTTP status text sent by the server. Method Returns Description abort Void Cancels network activity and resets the object. Sytaxis: object.abort() getAllResponseHeaders String Retrieves the string consisting of all HTTP headers. Sytaxis: object.getAllResponseHeaders() getResponseHeader String Returns the text of the header with the specified name for HTTP requests. Sytaxis: object.getResponseHeader(header) Arguments: Name Type O/R Description header String Required The name of the header to retrieve. open Void Meant to be a script-only method for initializing a request. Sytaxis: object.open(method, url, asynch) Arguments: Name Type O/R Description method String Required The HTTP method. url String Required The URL to which to send the request. asynch Boolean Required Indicates wether request should be asynchronous. send Void Sends request to the server located by the URL provided when opening connection. Sytaxis: object.send(data) Arguments: Name Type O/R Description data Variant Required Data to be sent to the server. setRequestHeader Void Sets a HTTP request header for HTTP requests. May only be called after the connection is opened. Sytaxis: object.setRequestHeader(header, value) Arguments: Name Type O/R Description header String Required The name of the header to set in the request. value String Required The body of the header. Event B C Interface Description Pseudo-class Description Constant Value Description