Select2 Select2-Opening event triggers on mobile as soon as control is touched when scrolling

[dls...@gmail.com]

How can I prevent the dropdown from opening while doing a touch scroll on a mobile device?

I am using Select2 version 2.4.6 in a MVC Razor mobile application. My problem is on mobile devices the Select2-Opening triggers as soon as the user starts swiping the screen to scroll if the touch starts on a Select2 control. This causes the dropdown to open which I do not want to happen. I have tried using preventDefault to stop the dropdown action but because the Select2-Opening event is the first event triggered, I have no way of setting any flags to know that I am scrolling to stop the dropdown from opening only while scrolling. Any thoughts or ideas would be greatly appreciated.

[eturas...@gmail.com]

This fix helped me with the same problem: https://github.com/ivaynberg/select2/commit/0244d7a188efde8856af542c459d282f1e510fb3

[Ali Shan Backlinks]

This is a common mobile usability issue with Select2, especially on older versions where touch events aren’t handled gracefully. One practical approach is to detect a touchmove event and temporarily disable the Select2 opening until the scroll gesture ends, or bind logic that differentiates between a tap and a swipe based on movement distance. Upgrading to a newer Select2 version (if possible) or handling touchstart/touchend thresholds can also help prevent unwanted dropdown triggers. Similar frontend interaction challenges are often discussed in developer communities and resources like Server

[Electric Bikes Backlinks]

This sounds like a common mobile UX issue with Select2, where the opening event fires too aggressively because touch events are interpreted as intentional clicks while scrolling. On mobile devices, Select2 can’t always distinguish between a scroll gesture and a tap, which causes the dropdown to open unintentionally. A practical workaround is to add a small delay, check for scroll movement before triggering the open event, or disable Select2 on mobile in favor of the native select for better usability. You can find step-by-step fixes and mobile-friendly solutions in detailed Guides that cover Select2 behavior across different devices.

On Wednesday, 23 July 2014 at 09:40:41 UTC+5 dls...@gmail.com wrote:

[Lilly Snow]

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[Mia Grace]

Yes, this is a known behavior with Select2 on mobile—when users try to scroll, the Select2-Opening event can trigger unintentionally because the control detects touch as a selection action. A common workaround is to delay or conditionally trigger the opening event using custom scripts or adjust touch event handling to distinguish between scroll and tap more effectively. 

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Discussions in the Select2 Google Group often revolve around edge cases, usability issues, and how small implementation details can affect real outcomes in software behavior. In a similar way, fitness standards like those seen in structured assessments such as IPPT scoring highlight how performance breakdowns and failure points can be analyzed to improve preparation and results. Looking at both technical systems and physical training frameworks together shows how structured feedback loops help people and systems improve over time.

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[Hellen charless]

This is a common issue with older Select2 versions on mobile devices. Since the opening event fires immediately on touch, one approach is to detect touch movement and treat it as a scroll gesture rather than a tap. If the finger moves beyond a small threshold, suppress the dropdown opening; otherwise, allow it as a normal tap.

You may also want to check whether a newer Select2 version handles touch events more gracefully, as mobile interaction support has improved over time.

Interestingly, it’s similar to solving a puzzle with an NYT Letter Boxed Solver—small input differences can lead to completely different outcomes. In this case, distinguishing between a tap and a scroll gesture is the key to getting the behavior you want.

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