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js 使用drag时，鼠标旁边有个矩形虚框，怎么清除

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js 使用drag时，鼠标旁边有个矩形虚框，怎么清除

  • 拖动到可以释放的区域时，鼠标旁边出现这个虚框
  • 网上说 dragstart 时加上 preventDefault 我试过了，这样就会导致只看到鼠标，没有拖动物体，而且无法触发释放事件，请教下各位怎么清除这个虚框。

image.png

  • 另一个问题就是能不能自定义鼠标旁边显示的东西，我看百度就是拖动的时候显示一个文件的样子在旁边。

image.png

请教下各位。


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参考该文章 https://developer.mozilla.org... 定义拖拽图像一节


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