MoreLesson 176Free preview

Popups

This lesson is part of How To · All levels

Summary

This lesson discusses popups, small boxes that appear after a user presses a button or a specific element. Unlike full capital, popups usually do not block the entire page and can be closed with a cross button or an outside click. Its JavaScript implementation focuses on toggling visibility and placement that does not interfere with other content.

Key points

Use a class or hidden attribute to open and close a popup
The trigger button should be Typed so as not to send a form
Close the popup when a user clicks outside the popup area or presses Escape
Give appropriate roles and labels, such as role="dialog" and aria-labelledby, for more complex popups.

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