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This repository was archived by the owner on Apr 12, 2024. It is now read-only.
In angular 1.1.5, after you delete "a" from input you can see that in chrome validateCharacters shows undefined and then in the required function shows an empty string. However, in Firefox and IE there is an empty string in validateCharacters and then in the required function it is undefined. If you update to angular 1.2, then Firefox and Chrome are the same but IE is still the old way: