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DHTML Behaviors Library - Mask

Source Code For Example Below

The mask edit behavior is applied to INPUT elements that allow data entry to provide a combination of restricted input as well as formatted output. When information is entered, visual cues are provided about the type of acceptable information, and feedback about incorrect entries. The behavior can be applied to many common types of forms fields, such as date, time, monetary, percentage and phone number formats. These masks can be applied through one of several preset formats.