We want to have a set of mutually exclusive check boxes and want to implement that logic on the client (angularjs) so that the user can get immediate, responsive feedback about their selection choices. Normally, mutual exclusivity would be enforced with radio buttons ensuring user familiarity with the interface selections. However, in this specific case, let’s suppose that within a specific sub category, a user can select as many options as they want, but cannot select options from more than one subcategory. Imagine setting contact preferences as either No or some type of Yes. Or perhaps there is a online food order form where certain topping choices are mutually exclusive between categories.
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