Post List of object using ajax in server side

  This is simple step how to send data client side to server side using javascript and jquery
/// arry your object u can store value of json type
  var array = [];
        function SendData() {
            if (array.length > 0) {
                var json_Parse = JSON.stringify(array);
             
                console.log(json_Parse);
                $.ajax({
                    type: "post",
                    url: "LargeDataPageLoad.aspx/GetString",
                    contentType: "application/json; charset=utf-8",
                    dataType: "json",
                    data: '{ "obj":' + json_Parse + ' }',
                    success: function (response) {
                        response ? alert("It worked!") : alert("It didn't work.");
                        onCustomerClick();
                    },
                    error: function (xhr, status, error) {
                        alert(error);
                    }
                });
           
            }
       
         }