Exclude model properties when syncing (Backbone.js)

Question

Is there a way to exclude certain property from my model when I sync?

For example, I keep in my model information about some view state. Let\'s say I have a picker m

Answer 1

Since save uses toJSON we override it:

    toJSON: function(options) {
        var attr = _.clone(this.attributes);
        delete attr.selected;
        return attr;
    },

But it may not work if you're using toJSON and need selected in views for example. Otherwise you probably need to override save method.