AngularJS $http.post removing attributes

Question

When I do a $http.post in AngularJS with a object like:

{  name: '232', id: '3434', $type: "API.Models.Fields.ValuesList, API" }

with the signature:

$http.post('api/records', model);

the $type attribute is removed everytime on the chrome traffic listener no matter the value.

Is there some secret $ remover ;) ?

UPDATE: ANGULAR >= 1.3 NOW DOES NOT REMOVE THE $ ATTRS.

Stewie · Accepted Answer · 2013-12-03 00:35:30Z

14

Yes, Angular strips dollar-prefixed properties when sending data over $http service.

$http service serialises objects to JSON string using angular.toJson method. This method strips properties with leading $ characters because angular uses this notation internally (e.g. instance method $save is available on all ngResource objects).

Quick workaround is to stringify the data manually (using JSON.stringify), before passing it on to $http:

$http.post('/api/path', JSON.stringify(model));

answered Dec 3, 2013 at 0:35

Stewie

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6 Comments

amcdnl Over a year ago

Thanks Stewie. Odd that it strips them but i guess that makes sense given its native properties are usually prefixed with $

Devin Over a year ago

What if we need to send a regular expression or something? JSON.stringify doesn't allow that..

thynctank Over a year ago

@Devin JSON format does not allow for RegExp, Function, Date, or even undefined. The only types allowed are number, object, array, true, false, null. See json.org for the full specification.

thynctank Over a year ago

To be clear, you can still serialize these other types into strings, just be sure to be consistent and maintain serialization/deserialization functionality in parity on client/server.

amcdnl Over a year ago

FYI - This is not a problem w/ 1.3

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