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This article addresses the user experience (UX) of smooth scrolling, specifically focusing on the ability to interrupt the scroll action. Many websites implement a "scroll to top" button with smooth scrolling. However, current browser behavior varies regarding whether a user can interrupt this smooth scroll with a subsequent scroll action. This interruptible behavior is crucial for a positive UX.
Consider this scenario: A user clicks the "scroll to top" button, initiating smooth scrolling. Mid-scroll, they notice something interesting and want to stop the upward movement. Ideally, a small scroll using the mouse wheel or trackpad should interrupt the smooth scroll. This is what we'll refer to as interruptible smooth scrolling (a more accurate term than "cancellable").
The following demo illustrates the issue: [Insert Demo Link Here - This would replace the placeholder demo link.]
Cross-browser inconsistencies exist in how smooth scrolling behaves, both when implemented with CSS and JavaScript. Here's a summary of observations across different browsers: [Insert Browser-Specific Observations Here - This section would detail the discrepancies observed.]
To improve the UX of smooth scrolling, we propose the following:
- Interruptible Smooth Scrolling: Smooth scrolling, regardless of whether it's CSS or JavaScript-based, should be interruptible by a subsequent user scroll action.
- Standardization of Speed: Browsers should either standardize the speed of smooth scrolling or allow developers to control it. A consistent, moderate speed is desirable, independent of the scroll distance.
- Safari Compatibility: Safari should implement consistent smooth scrolling behavior. This is especially important for mobile devices where Safari is the default browser on iOS, enabling the use of smooth scrolling in features like JavaScript-free carousels.
The current lack of standardization hinders the creation of consistent and user-friendly scrolling experiences across platforms and browsers. A more unified approach is needed to improve the overall web browsing experience.
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