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需求是这样的,我点击svg上的某个位置,触发点击事件,通过event拿到的屏幕光标位置怎么转换成点击svg的相对位置?


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MouseEvent 理应包含事件相对于目标元素的位置 MouseEvent.offsetXMouseEvent.offsetY
SVG 点击事件应该没有另立门户,但如果真没有这两个属性的话,就只能获取 SVG 的位置,然后换算了,就是个加减法。


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