XMLHTTP对象参考之status

status
    返回当前请求的http状态码

语法
    lValue = oXMLHttpRequest.status;

例子
    var xmlhttp = new ActiveXObject("Msxml2.XMLHTTP.3.0");
    xmlhttp.open("GET", "http://localhost/books.xml", false);
    xmlhttp.send();
    alert(xmlhttp.status);

返回值
    长整形标准http状态码，定义如下：

Number Description

100	Continue
101	Switching protocols
200	OK
201	Created
202	Accepted
203	Non-Authoritative Information
204	No Content
205	Reset Content
206	Partial Content
300	Multiple Choices
301	Moved Permanently
302	Found
303	See Other
304	Not Modified
305	Use Proxy
307	Temporary Redirect
400	Bad Request
401	Unauthorized
402	Payment Required
403	Forbidden
404	Not Found
405	Method Not Allowed
406	Not Acceptable
407	Proxy Authentication Required
408	Request Timeout
409	Conflict
410	Gone
411	Length Required
412	Precondition Failed
413	Request Entity Too Large
414	Request-URI Too Long
415	Unsupported Media Type
416	Requested Range Not Suitable
417	Expectation Failed
500	Internal Server Error
501	Not Implemented
502	Bad Gateway
503	Service Unavailable
504	Gateway Timeout
505	HTTP Version Not Supported

备注
    长整形，此属性只读，返回当前请求的http状态码,此属性仅当数据发送并接收完毕后才可获取。