I have a JavaScript variable which I wan to pass along with an HTML link.

<script>

var demo=10;

</script>

I get the value of demo on executing one javascript function & few if-else & for loops. Since that code doesn't make any sense to this question, I haven't included that. Assume after all those operations, the final result that I get is stored in the demo variable. Now I wanna pass this demo variable along with an link.

<a href=to_fake_page.php>On click pass demo</a>

I am trying to pass the demo variable as a parameter to the href link. Is this ever possible???

I know

window.location.href = to_fake_page.php?demostore=demo;

would do the same.

UPDATE

This is my Javascript function

This function has one parameter & it is passed onto a_php_page.php where some database operations & condition checks are performed & the corresponding result is passed back from the PHP page to the AJAX function as JSON. I parse the JSON & obtain demo variable. And a HTML modal is included if I get response from the PHP page. Inside the HTML modal, I have a link pointing to_fake_page.php to where I have to pass the demo variable on clicking a link On click pass demo.

 function onefunction(parameter)

   {

       if(window.XMLHttpRequest)

       {

           xmlhttp=new XMLHttpRequest();

       }

       else

       {

           xmlhttp=new ActiveXObject(Microsoft.XMLHTTP);

       }

       xmlhttp.onreadystatechange=function() //callback fn

       {

           if(xmlhttp.readyState==4 && xmlhttp.status==200)

           {

               // these values are obtained from a php page using AJAX.

               // An array has been passed from the php page after json encoding it.



               var jsonStr = JSON.parse(xmlhttp.responseText);

               var demo=jsonStr.value1;

               document.getElementById('myLink').href += '?demo=' + encodeURIComponent(demo);



               $('<div class=modal fade>' +

                   '<div class=modal-dialog>' +

                   '<div class=modal-content>' +

                   demo+

                   '</div>' +

                   '<div class=modal-footer>' +

                   '<a href=to_fake_page.php id=myLink>On click pass demo</a>' +

                   '</div>' +

                   '</div>' +

                   '</div>' +

                   '</div>').modal();



           }

       }

       xmlhttp.open(GET,a_php_page.php?from=+parameter,true);

       xmlhttp.send();

   }