Sets the value of an XMLHttpRequest header.
Method of apis/xhr/XMLHttpRequestapis/xhr/XMLHttpRequest
Syntax object.setRequestHeader(header, value);
Specifies the header name.
valueSpecifies the header value.
Return ValueNo return value
Usage If used, must be called after open(), but before send().
Refer to RFC2616, Section 14: Header Field Definitions for a general list of standard headers. The server is ultimately responsible for honoring the headers of the request. By far the most common request header is Content-Type, which is required by some XML Web services.
Related specificationsMicrosoft Developer Network: Windows Internet Explorer API reference Article
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