How to call a webservice method from an html page [javascript] with out refresh the page

Question

I have a webservice which will return a value. Here my requirement is, I need to call that webservice from an index.html page, that page h

Answer 1

You can send ajax request to a webservice

 $.ajax({
            url: "WebServiceURL",
            data: "", //ur data to be sent to server
            contentType: "application/json; charset=utf-8", 
            type: "GET",
            success: function (data) {
               alert(data);
            },
            error: function (x, y, z) {
               alert(x.responseText +"  " +x.status);
            }
        });