get javascript array from object

Question

I am working on this google auth chat website everything has goon really smooth everything is basically done but the last thing that is to get the messages from a json database i can send messages to the json database but i cant get the array from the object here is my code:

index.js:

socket.on('load', () => {
    for (let i in data) {    
      socket.emit('add message', data[i]);
    }
  });

main.js(html file):

socket.emit('load');    
socket.on('add message', (text) => {
  let list = document.getElementById('list');    
  let li = document.createElement('li');
  li.textContent = text;
  list.appendChild(li)
});

and i am using a json database that is npmjs.com/package/node-json-db — sllent coder
– sllent coder, Commented Nov 9, 2018 at 10:03
what is "data" variable? how do you get it? and what does it looks like? json string? can you post example of that variable content? — maximelian1986
– maximelian1986, Commented Nov 9, 2018 at 10:20
If I understand you unable to parse whatever data contains, right? Or can you point on exact error in your code? — maximelian1986
– maximelian1986, Commented Nov 9, 2018 at 10:21
ok heres the "data" variable let JsonDB = require('node-json-db'); let db = new JsonDB("messages", true, false); let data = db.getData("/messages"); — sllent coder
– sllent coder, Commented Nov 9, 2018 at 10:36

Shayan Ahmad · Accepted Answer · 2018-11-09 10:36:17Z

1

A traditional json response from the node json DB is as follows:

data = {
test: {
    data1 : {
        messages : ['test','array']
    },
    data2 : 5
  }
}

From here, getting that messages array is simply to do this:

data.test.data1.messages

Example:

answered Nov 9, 2018 at 10:36

Shayan Ahmad

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