Question 1 of 7
Which feature controls scroll chaining at a scroll boundary?
Think about what happens after a scroll container reaches its edge.
overscroll-behavior controls boundary actions such as scroll chaining.
Quiz
Test your knowledge: CSS Overscroll Behavior
Assess your understanding of scroll boundaries, chaining, overscroll-behavior values, and axis-specific properties.
7 questions
~4 min
Intermediate
Knowledge check
Test your knowledge: CSS Overscroll Behavior
Assess your understanding of scroll boundaries, chaining, overscroll-behavior values, and axis-specific properties.
- Stuck? Each question has an optional hint.
- Skip a hard question and review it before your results.
- Questions and answer options can shuffle between attempts.
You can retake this quiz whenever you like.
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Question 2 of 7
What does overscroll-behavior: contain prevent?
Contain blocks the boundary action from escaping to an ancestor.
contain prevents non-local boundary actions while preserving local overscroll affordances.
Question 3 of 7
Which value additionally suppresses local overscroll affordances?
It is the strongest suppression value in the current draft.
none contains non-local boundary actions and also suppresses local overscroll affordances.
Question 4 of 7
Which feature creates the scrolling mechanism when content overflows?
Overscroll Behavior acts at the edge of an existing scroll container.
Overflow owns overflow and scroll-container formation.
Question 5 of 7
Which longhand follows the logical block axis?
Logical axes use block and inline terminology.
overscroll-behavior-block is the flow-relative block-axis longhand.
Question 6 of 7
Which feature owns snap destinations rather than boundary chaining?
The word snap is the clue.
Scroll Snap owns snap positions and settling; Overscroll Behavior owns boundary actions.
Question 7 of 7
How should the current CSS Overscroll Behavior Editor's Draft be described?
Check the document's status section.
The current CSSWG document is an Editor's Draft and explicitly says it is work in progress.
Quiz results
0/0
Review
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Which feature controls scroll chaining at a scroll boundary?Hint used
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What does overscroll-behavior: contain prevent?Hint used
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Which value additionally suppresses local overscroll affordances?Hint used
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Which feature creates the scrolling mechanism when content overflows?Hint used
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Which longhand follows the logical block axis?Hint used
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Which feature owns snap destinations rather than boundary chaining?Hint used
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How should the current CSS Overscroll Behavior Editor's Draft be described?Hint used