How to loop comma separated values within for loop?

Question

My ajax script below, takes json_encoded values from php script. The PHP script contains single value and also arrays. For single values I've no issue as I use the first loop to loop through them. For array values, I've no idea on how to loop through.

As far as i know, comma separated values can be put into array by split(',').But for my case, it doesn't output anything. Where's my mistake in the second for loop?

My full script:

 $("#receipt").on("click",function()
 {
     var ele = $(".header_tbl tbody tr").children().length;

     if(ele !=0)
     {
        $("#after_cash_cart_form").submit(function(){
                var data = {
                  "action": "test"
                };
                data = $(this).serialize() + "&" + $.param(data);

                $.ajax({
                  type: "POST",
                  dataType: "json",
                  url: "submit_cart.php",
                  data: data,
                  success: function(data) {

                     for(var i=0;i < data.length; i++)
                     {
                         //alert(data[i].price.length);//outputs '3'
                         //data[i].price; //outputs 120,200,150
                         var array = data[i].price.split(",");

                         for (var j=0;j < array.length; j++)
                         {
                             alert(array[j]);//doesn't output anything
                         }

                     }

                  }

                });
                return false;
       });
     }else
     {
       alert("Your cart is empty.");
     }
 });

If data[i].price outputs 120,200,150, then data[i].price.length should not be 2. — Ivar
– Ivar, Commented Jan 11, 2016 at 15:32
If you have something that outputs 120, 200, 150 in an alert, and it's length is 3, it's an array — adeneo
– adeneo, Commented Jan 11, 2016 at 15:38
Not according to what you've posted, but just do typeof data[i].price to find out — adeneo
– adeneo, Commented Jan 11, 2016 at 15:39

andi · Accepted Answer · 2016-01-11 15:52:33Z

1

data[i].price is already an array, so you don't need to split(",") it.

Instead of

var array = data[i].price.split(",");

just use

var array = data[i].price;

and then the rest of your code should work.

answered Jan 11, 2016 at 15:52

andi

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