Javascript can easily make the pop-up submenu automatically disappear when the mouse is moved away_javascript skills

复制代码 代码如下:

<SCRIPT> <br>var cm=null; <br>document.onclick = new Function("show(null)") <br>function getPos(el,sprop) <br>{var iPos = 0 <br>while (el!=null) <br>{iPos =el["offset" sprop] <br>el = el.offsetParent} <br>return iPos} <br>function show(el,m) <br>{if (m) { m.style.display=''; <br>m.style.pixelLeft = getPos(el,"Left") <br>m.style.pixelTop = getPos(el,"Top") el.offsetHeight} <br>if ((m!=cm) && (cm)) cm.style.display='none';cm=m} <br></SCRIPT>

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