SSN Mask

This app shows a technique which can be used to mask information, e.g. credit card number, SSN, etc. What this means is that the data entered is partially hidden when clicking or tabbing out of the field. The techniques uses a hidden shadow field to keep track of the actual values while the display field shows the mask. Data is validated for the proper number and type of characters and can be entered with or with dashes.

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SSN Mask

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