Access information from JSON file

Looking to extract data from an external JSON file and store it in a JavaScript array for manipulation?

Here is a snippet of the JSON file for reference:

"Country":[
      {
         "Country_Name":"India",
         "Country_Details":[
            {
               "State_Name":"TamilNadu",
               "Capital":"Chennai",
               .................
               ................
            },
            {
               "State_Name":"Kerla",
               "Capital":"Trivandram",
               ................
               ................
            }
         ]
      },
      {
         "Country_Name":.......,
         "Country_Details":[
            {
              ...........
              .........
              .........
              .........
            }           
            {
              ........
              ........          
            }
          ]
         }    
       ]
      }

You may need to use a multi-dimensional array (array inside array) for this task.

If you're unsure about using the push function with arrays, feel free to ask for guidance. Thanks in advance!

javascriptarraysjson

Answer №1

Check out this JavaScript snippet that can help you parse your JSON example file.

function httpGet(url) // Function to fetch JSON file from a Gist
{
    var xmlHttp = new XMLHttpRequest();
    xmlHttp.open( "GET", url, false );
    xmlHttp.send( null );
    return xmlHttp.responseText;
}

var data = JSON.parse(httpGet("https://gist.githubusercontent.com/anonymous/4d342372ed151964bbc03bbad1b4db65/raw/d843d183522f1b16eea1cfc9f3e36c9f22ff5e05/Country.json")); // Store the converted JavaScript object from JSON file (as per your example)

for (var i = 0; i < data.Country.length; i++) // Loop through array of objects in 'data'
{
  console.log(data.Country[i].Country_Name)
  for (var j = 0; j < data.Country[i].Country_Details.length; j++){
    console.log("Country Details - State: "+data.Country[i].Country_Details[j].State_Name)
    console.log("Country Details - Capital: "+data.Country[i].Country_Details[j].Capital)
  }
 
}

Answer №2

If you're looking to efficiently manage file data and convert it to JSON, check out this helpful website: http://jsoneditoronline.org/

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