How to access a JavaScript variable from code behind in asp.net

Question

i am using a JavaScript and it have the below code:

Answer 1

Try this:

Add a HiddenField and pass value of count to HiddenField from Jquery

$(function() {
            var count = 100;
            $("#Button1").click(function() {
                $("#HiddenField1").val(count);                
            });
        });