Frank

i've tweaked the solution of lennerd https://github.com/jashkenas/backbone/issues/3253#issuecomment-58789524 a little bit. ``` Backbone.Model.prototype.reset = function(attrs, options) { var missing = {}; for (var key in this.attributes) { if (key in attrs)...

Would be nice if you could provide a patch... a pull request would also be nice. Thanks for your efforts!

Wouldn't it be possible to use a dev tool extension with a new panel for this job. Ok it's not really handy but for those of use using dev tools...