Q: Which of the following events is standardised by DOM Level 3 Events?

A focusarea and focusover
B focusall and focusnone
C focusdown and focusup
D focusin and focusout

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Answer: D

Explanation:

As bubbling alternatives to the focus and blur events, the DOM Level 3 Events specification standardises the focusin and focusout events.
The events focusin and focusout bubble, but the events focus and blur do not.
That is, you can use the focusin and focusout functions on the parent element of a form field.

Javascript DOM & Event Handling MCQ

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Q: Which of the following events is standardised by DOM Level 3 Events?

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