Reading JSON file with AJAX and storing data to an array

Question

All I am trying to do is reading an JSON file with data format as shown below and extract only id from nodes and store it in an array.

{"nodes":[
{"id":"1057457211927117824", "age":"20", "name":"a", "loaded":true},
{"id":"1057459284189970433", "age":"20", "name":"b", "loaded":true}
]
"links":[
{"id":"l01", "from":"1057457210467540992", "to":"1057455883972722689", "type":"friend"},
{"id":"l02", "from":"1057457271331057664", "to":"1057451606344646656", "type":"friend"}
]}

Below is the code I tried but its not working.

var node_id = []; 
$.getJSON("data/newData.json", function (data) {
    $.each(data, function (index, value) {
        node_id.push(value[0]['id']); 
    });
});

son pham · Accepted Answer · 2018-11-27 06:22:48Z

1

If I understand you, you can look at the code below:

var jsonData = {
"nodes":[
  {"id":"1057457211927117824", "age":"20", "name":"a", "loaded":true},
  {"id":"1057459284189970433", "age":"20", "name":"b", "loaded":true}],
"links":[
  {"id":"l01", "from":"1057457210467540992", "to":"1057455883972722689", "type":"friend"},
  {"id":"l02", "from":"1057457271331057664", "to":"1057451606344646656", "type":"friend"}
]};

var node_id = []; 
$.each(jsonData.nodes, function (index, value) {
    node_id.push(value['id']); 
});

console.log(node_id);

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>

answered Nov 27, 2018 at 6:22

son pham

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1 Comment

charlie2 Over a year ago

That's exactly what i was trying to do.Thanks a lot.

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