Retrieving a particular item from JSON data

I am struggling with what seems like a simple issue, even after reading through various Q&A forums. I have a JSON response from an AJAX call that executes a SPARQL query:

{
  "head": {
    "vars": [ "name" , "email" ]
  } ,
  "results": {
    "bindings": [
      {
        "name": { "type": "literal" , "value": "Name Surname" } ,
        "email": { "type": "literal" , "value": "<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="0b656a666e25787e79656a666a">[email protected]</a>" }
      }
    ]
  }
}

My aim is to retrieve the "name" of the user, but the response always contains multiple elements instead of just one.

I have tried accessing the "name" value using different methods such as:

response["name"].value
//or
response[0]["name"]
//or
response.name

However, none of these solutions seem to work. Can someone guide me on how to correctly extract the name value? Your help is greatly appreciated.

javascriptajaxjson

Answer №1

Give this a shot

response.results.bindings[0].name.value
response.results.bindings[0].email.value

Revision

Demo

Answer №2

Feel free to take a look at the fiddle created right here

http://jsfiddle.net/uqxp4j73/

The code snippet for this is provided below 

let data='{ "head": { "vars": [ "name" , "email" ]   } ,  "results": {  "bindings": [       {         "name": { "type": "literal" , "value": "John Doe" } ,         "email": { "type": "literal" , "value": "<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="7f111e121a510c0a0d111e121a3f1a121e1613511c1012">[email protected]</a>" }       }     ]   }}';
obj = JSON && JSON.parse(data) || $.parseJSON(data);
console.log(obj);
console.log(obj["results"]["bindings"][0]["name"]["value"]);
alert(obj["results"]["bindings"][0]["name"]["value"]);

I hope this information proves to be helpful :)

Answer №3

When working with JSON data, it is essential to provide the full path to the property you are trying to access. If we assume that the parsed JSON is stored in a variable called response, the following paths will help you retrieve the desired values.

response.results.bindings[0].name.value
for name 
response.results.bindings[0].email.value
for email

I highly recommend reading through to gain a better understanding of the basic concepts of JSON.

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