Live Interactive Demo Model
Resizable Split Pane Layout System
A 3-column resizable code editor layout (Sidebar, Code Editor, Terminal) with dragging dividers.
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React 19 Practice Workbench
Acceptance Criteria
Tracking global window pointer moves during active divider dragging
Clamping pane percentage widths within min and max constraints
Snapping panes closed when dragged past threshold limits
Target APIs & Concepts
Mouse Drag Resize HandlersPercentage Width MathMin/Max Boundary Snapping
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