maxTouchPoints occasionally returns 1 instead of 0 on non-touch Windows 10 laptop
Reported by
wojtek....@gmail.com,
Dec 19 2017
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Issue description
Chrome Version : 63.0.3239.108
OS Version: Windows 10 16299.125
URLs (if applicable) : n/a
Other browsers tested:
Add OK or FAIL after other browsers where you have tested this issue:
Safari: not tested
Firefox: OK
IE/Edge: OK when pointer events enabled by dom.w3c_pointer_events.enabled flag set to true
What steps will reproduce the problem?
1. On non touch enabled computer, open console
2. Type navigator.maxTouchPoints
What is the expected result?
Console always returns 0
What happens instead of that?
Console occasionally returns 1. Interestingly, while I'm testing it on the same machine, I cannot reproduce this 100% at the time. I have a laptop with 1 external monitor plugged in.
Please provide any additional information below. Attach a screenshot if
possible.
,
Dec 19 2017
It may actually be a false positive, connected with device emulation.
,
Dec 19 2017
,
Dec 21 2017
Unable to reproduce the issue on Win-10 non-touch enabled desktop using chrome reported version #63.0.3239.108 and latest canary #65.0.3299.0. As per bug summary it seems the issue is specific to non-touch Windows 10 laptop and ET-team doesn't have the above mentioned device. Hence, forwarding the issue to inhouse team for further investigation. Thanks...!!
,
Jan 2 2018
You have devtools mobile emulation mode enabled which will indicate there is a touch point. Disable the emulation mode and all should be well. |
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Comment 1 by bokan@chromium.org
, Dec 19 2017Components: Blink>Input