res.jsonp([body])
Sends a JSON response with JSONP support. This method is identical to res.json(), except that it opts-in to JSONP callback support.
res.jsonp(null);
// => null
res.jsonp({ user: 'tobi' });
// => { "user": "tobi" }
res.status(500).jsonp({ error: 'message' });
// => { "error": "message" }
By default, the JSONP callback name is simply callback. Override this with the jsonp callback name setting.
The following are some examples of JSONP responses using the same code:
// ?callback=foo
res.jsonp({ user: 'tobi' });
// => foo({ "user": "tobi" })
app.set('jsonp callback name', 'cb');
// ?cb=foo
res.status(500).jsonp({ error: 'message' });
// => foo({ "error": "message" })
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