XMLHTTP Request

 

Method	Description
open(method, URL) open(method, URL, async) open(method, URL, async, username) open(method, URL, async, username, password)	Specifies the arguments and other optional attributes of a request. Method parameter can be one of the following, or other HTTP methods: • DELETE • GET • HEAD • POST • PUT Async parameter specifies whether the request is asynchronous or not. Possible values: • true: asynchronous (continue without waiting for response) • false: not asynchronous (wait for response)
abort()	Cancels the request
getAllResponseHeaders()	Returns all HTTP headers as string.
getResponseHeader(headerName)	Returns the value of headerName.
send(content)	Send the request with or without content.
setRequestHeader(lable,value)	Add a label/value pair to the HTTP header.
Property	Description
readyState	Returns the state of the Request object with one of the following values: • 0 = uninitialized,open() not yet called • 1 = open,send() not yet called • 2 = request sent,headers and status available • 3 = reveiving or downloading responseText but holds only partial data • 4 = finished
responseText	Returns the response as a string.
Status	Returns the HTTP status code: 200,301,302,404 etc.
statusText	Returns the status as a string.That is,return the string equivalent of the HTTP status code.