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What does active tab mean?
An active tab is the tab currently being used. For example, if you have multiple tabs open in your browser since you're reading this page, it would be considered the active tab. Any other tabs open are considered an inactive tab.
How to make a tab active in JavaScript?
With the help of HTML, CSS, and JavaScript, it is possible to create a navigation menu with a curved active tab. This can be done by using the ::before and ::after pseudo-elements to create the desired shape, and then using JavaScript to add the active class to the element.
