Struggling to handle JSON response in JavaScript

Upon receiving a JSON response from the Amazon API, here is how it appears:


{
  "Result": {
    "Data": {
      "Title": "HALO 3 (XBOX 360 - REGION FREE)",
      "FormattedPrice": "$19.95",
      "Source": "Product Description",
      "Content": "The epic saga continues..."
    }
  }
}

Despite my efforts, I keep encountering 'undefined' in my Javascript code when attempting to access FormattedPrice.

I've attempted different versions like:


var price1 = Response.Result.Data.FormattedPrice;

var price1 = Response.Result[0].Data[0].FormattedPrice;

var price1 = Response.Result[0].FormattedPrice;

Here is the modified full call code:

The data name has been changed to Halo 3 and 'Response' now stands as PriceResponse


//Load Amazon Price data

var setUrl = "https://example.com/price.php?q="+encodeURI(data.name)+"&output=json";
console.log(setUrl);

jQuery.getJSON(setUrl, function(priceResponse) {

    var price1 = Response.Result[0].Data[0].FormattedPrice;

    jQuery("#info-link-amazon").append('<span style="float:right;">$'+price1+'</span>');   

});          

Answer №1

To start off, troubleshoot the code by using the developer tools in your browser. Check the priceResponse value after the getJSON call has finished, and make sure to verify (in the network tab) that the response from the call is what you anticipated. Then, based on the response published so far, you should access the response using the priceResponse variable:

//Retrieve Amazon Price information
var setUrl = "https://example.com/price.php?q="+encodeURI(data.name)+"&output=json";
console.log(setUrl);
jQuery.getJSON(setUrl, function(priceResponse) {
    var price1 = priceResponse.Result.Data.FormattedPrice;
});

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