Javascript event coordinates IE

Good day. Brothers, there is another question in the continuation of this , where I tried to determine the coordinates of the event in the context of the event element, thank God he did it all works fine, thanks guys. And yet I didn’t notice such a situation for quite a long time: in IE, when an event occurs somewhere in 3-5 pixels from the left edge, then the current coordinates become negative. Well, in general, see

Internet Explorer


Firefox
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How can I solve this problem of Microsoft? can someone already faced brothers?

Thank you all in advance! :)