Retrieving data from AJAX requests

I have an AJAX code that sends data to the server and returns results including id, name, and quantity.

How can I extract and print only the quantity, id, or name? Thank you for your help!

<script type="text/javascript">
        $("#bto_update_quantity").click(function (){
            $.ajax({
                url:"cart/update_quantity",
                type:"get",
                dataType:"text",
                data : {
                     id : $('.frm_product_id_cart').text(),
                     name : $('.frm_product_name_cart').text(),
                     quantity : $('#frm_product_quantity_cart').val()                   
                },
                success : function()
                {
                    $('#frm_product_quantity_cart').val()
                }});
        });
    </script>
javascript

Answer №1

It is recommended to use dataType as JSON rather than text. 

$("#bto_update_quantity").click(function () {
     $.ajax({
         url: "cart/update_quantity",
         type: "get",
         dataType: "json",
         data: {
             id: $('.frm_product_id_cart').text(),
             name: $('.frm_product_name_cart').text(),
             quantity: $('#frm_product_quantity_cart').val()
         },
         success: function (data) {
             var id = data.id;
             var name = data.name;
             var quantity = data.quantity;
         }
     });
 });

Answer №2

Make sure your dataType is set to Json instead of Text.

In the success function, remember to pass a return parameter.

success: function(data)

Try using console.log to see the data and understand how to retrieve your desired values.

Answer №3

In case the result is an object, you can use the following code:

$("#bto_update_quantity").click(function (){
        $.ajax({
            url:"cart/update_quantity",
            type:"get",
            dataType:"text",
            data : {
                 id : $('.frm_product_id_cart').text(),
                 name : $('.frm_product_name_cart').text(),
                 quantity : $('#frm_product_quantity_cart').val()                   
            },
            success : function(result)
            {
                console.log(result.quantity);
            }});
    });

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