下面是文档原文 event.clientXReturns the position of the mouse hit relative to the size of the client area of the window. This does not include window decorations or scroll bars event.xReturns the position of the mouse hit relative to the element in the parent hierarchy that is positioned using the CSS positioning attribute. If no element in the hierarchy has been positioned, the BODY element is the default.
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<body leftmargin="0" topmargin="0" onclick="cancelLink()" onmousemove="window.status = 'X=' + window.event.x + ' Y=' + window.event.y + ' clientX=' + window.event.clientX + ' clientY=' + window.event.clientY">
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<html>
<head>
<title>Untitled Document</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</head>
<body leftmargin="0" topmargin="0" onclick="cancelLink()">
<br>
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<div style="position:relative" onmousemove="window.status = 'X=' + window.event.x + ' Y=' + window.event.y + ' clientX=' + window.event.clientX + ' clientY=' + window.event.clientY">
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event.clientXReturns the position of the mouse hit relative to the size of the client area of the window. This does not include window decorations or scroll bars
event.xReturns the position of the mouse hit relative to the element in the parent hierarchy that is positioned using the CSS positioning attribute. If no element in the hierarchy has been positioned, the BODY element is the default.