How do I pass along variables with XMLHTTPRequest

Question

How do I send variables to the server with XMLHTTPRequest? Would I just add them to the end of the URL of the GET request, like ?variable1=?v

Answer 1

The correct format for passing variables in a GET request is

?variable1=value1&variable2=value2&variable3=value3...
                 ^ ---notice &--- ^

But essentially, you have the right idea.