Call Webservice from HTML Page

Question

How we can call webservice from html page using javascript

Answer 1

You use Ajax. Specifically, the XMLHttpRequest object in JS.

Answer 2

1. Because of same origin restrictions, you might need to use JSONP through script injection.

2. Of course if you are talking a Web Service on the same origin, just use AJAX.

3. Through an web browser extension

Answer 3

Yes you can. Did you try googling ?

Answer 4

using jQuery:

$.ajax({ 
    type: "POST", 
    contentType: "application/json; charset=utf-8", 
    url: "WebService.asmx/WebMethodName", 
    data: "{}", 
    dataType: "json"
});