Sibling Traversal

MediumDOM ManipulationDom TraversalPRO

Use nextElementSibling to move from a heading button to its paired panel and toggle the correct DOM section state. This exercise connects sibling traversal with aria-expanded.

What you'll practice

Use nextElementSibling to move from a heading button to its paired panel and toggle the correct DOM section state
This exercise connects sibling traversal with aria-expanded

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