You develop an HTML5 webpage. You have the following HTML markup: You need to prevent users from entering specific characters into the username field. What should you do?

A. Using the keyup event, add an anonymous function that returns true when a specific

B. Using the change event, add an anonymous function that returns true when a specific

C. Using the keydown event, add an anonymous function that returns false when a specific

D. Using the change event, add an anonymous function that returns false when a specific

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98-375 · Question #38

98-375 Question #38: Real Exam Question with Answer & Explanation

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Question

You develop an HTML5 webpage. You have the following HTML markup: <input type="text" id="username" /> You need to prevent users from entering specific characters into the username field. What should you do?

Options

AUsing the keyup event, add an anonymous function that returns true when a specific
BUsing the change event, add an anonymous function that returns true when a specific
CUsing the keydown event, add an anonymous function that returns false when a specific
DUsing the change event, add an anonymous function that returns false when a specific

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