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I am making a request to a CGI program using AJAX. The response sends me content-length. My purpose is to dynamically exhibit the response progress. For that I need to start a function on onreadystate value of XHR object to be 3. But the request doesn’t seems to acquire that status number. Instead it goes directly from state 1 to state 4. What am I missing?
The response could be going so quickly that you just don’t notice it at state 3. Especially if you are running it on localhost, the response could be transmitted very quickly. You could try setting an alert when it gets to stage 3 to test whether it’s actually getting there. Also, I belive internet explorer says that it is a mistake to access the response in stage 3 so there could be compatibility issues.