Response JSON object or JSON.stringify?

Question

Suppose I want to return JSON content

var content = {
  a: 'foo',
  b: 'bar'
};

What is the best practice to return my JSON data?

A) Return object as is; i.e res.end(content)?

B) JSON.stringify(content) and then call JSON.parse(content) on the client?

Answer 1

If you send the response with express's res.json you can send the Object directly as application/json encoded response.

app.get('/route/to/ressource', function(req, res){
  var oMyOBject = {any:'data'};

   res.json(oMyOBject);
});