Knowledge Check

Viewport-attached control

Which position value usually keeps a control at the same viewport location while scrolling?

What this task practices

Viewport-attached control is a knowledge check interview exercise that trains prompt interpretation, explicit assumptions, a concrete response, and a clear explanation of tradeoffs. The catalog marks it as medium difficulty. It focuses on Frontend Foundations, CSS Positioning Stacking. The signed-in workspace provides the tools for the round and evaluates the attempt against task-specific criteria. Reference solutions, hidden checks, evaluator instructions, and candidate work remain private.