Touch API（例如touchstart）无法在MS Edge中运行 [英] Touch API (e.g. touchstart) not working in MS Edge

问题描述

我的应用程序正在使用Touch API来检测JavaScript中的触摸事件。示例：

my application is using the Touch API to detect touch events in JavaScript. Example:

$(".element").on("touchstart", function(event){
    alert("TRUE");
});

这适用于任何具有Android或iOS等浏览器的触控设备，但不适用于带有或不带有连接键盘的Windows 10平板电脑上的MS Edge。似乎支持API：兼容性列表。但是，我在窗口中测试了：'ontouchstart'，这在此设备上返回false。此外 mousedown 似乎被解雇了。

This works on any touch device with any browser like Android or iOS, however it doesn't work in MS Edge on a Windows 10 Tablet with or without conntected keyboard. The API seems to be supported: Compatibility list. However, I've tested: 'ontouchstart' in window and this returns false on this device. Furthermore mousedown seems to get fired.

这里发生了什么？如何在Windows 10平板电脑上触发触摸事件？
我想仅为触摸设备保留活动。切换到指针事件API也包括桌面设备，这不是我想要的。

What is going on here? What can I do to fire touch events on a Windows 10 tablet? I would like to keep the event only for touch devices. Switching to the Pointer Events API would include also Desktop devices and that is not what I want.

推荐答案

对于触摸API，你有激活Edge上的标志：在地址栏中输入about：flags并按Enter键。在触摸部分，您可以使用相应的下拉列表启用触摸事件

for touch API, you have to activate a flag on Edge : in the address bar, enter about:flags and press enter. In the section Touch, you can enable touch events with the corresponding dropdown

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