Building Front-End Web Applications with Plain JavaScript/

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New Issues

New Issues

Let’s learn about some of the new issues that will arise in our new application.

We'll cover the following...

New issues in subtyping

Compared to the EnumerationApp, we have to deal with several new issues:

  1. In the model code, we need to do the following:

    1. Add a constraint violation class FrozenValueConstraintViolation to errorTypes.js.
    2. Code the enumeration type to be used as the range of the category attribute (
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