ajax post

http://stackoverflow.com/questions/6323338/jquery-ajax-posting-json-to-webservice

http://stackoverflow.com/questions/21201270/how-to-submit-json-data-by-request-body-in-jquery

$.ajax({
        url : "/",
        type: "POST",
        data: JSON.stringify([
            {id: 1, name: "Shahed"}, 
            {id: 2, name: "Hossain"}
        ]),
        contentType: "application/json; charset=utf-8",
        dataType   : "json",
        success    : function(){
            console.log("Pure jQuery Pure JS object");
        }
    });
    // sample api: https://api.ipify.org?format=json