Write an HTML page that contains a text field for a credit card number and a button. When the button is clicked check that the text field has only numeric characters in it and check that the number of characters is 16. If not, use an alert dialog to inform the user.
What will be an ideal response?
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A Simple Heading
This is a very simple web page. It asks you for your credit
card number and when you click the button
it will check if the number is okay (16 digits only).
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