tikeyc commented on issue #12823:
URL:
https://github.com/apache/incubator-echarts/issues/12823#issuecomment-650989909
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使用的浏览器是: Chrome;
navigator.userAgent的值是："Mozilla/5.0 (Windows NT 6.1; Win64; x64)
AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.116
tikeyc commented on issue #12823:
URL:
https://github.com/apache/incubator-echarts/issues/12823#issuecomment-647217829
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您好，请问有好的解决方案吗？
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tikeyc commented on issue #12823:
URL:
https://github.com/apache/incubator-echarts/issues/12823#issuecomment-646397195
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window.matchMedia("(pointer: coarse)").matches的返回结果是false
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tikeyc commented on issue #12823:
URL:
https://github.com/apache/incubator-echarts/issues/12823#issuecomment-646394047
增加了 "ontouchstart" in window的验证结果，结果为false
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tikeyc commented on issue #12823:
URL:
https://github.com/apache/incubator-echarts/issues/12823#issuecomment-646387475
您好，在大屏触摸显示器上验证了，输出结果都是undefined见附件的图片。感谢。
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tikeyc commented on issue #12823:
URL:
https://github.com/apache/incubator-echarts/issues/12823#issuecomment-646386600
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您好。使用可以触屏的大屏显示器，在控制台打印了window.DocumentTouch && document instanceof
DocumentTouch 的结果，以及window 对象中是否有 ontouchstart 函数。
得出的结果都是undefined
