<html>
<head>
<script type="text/javascript">
function showImg(){
document.getElementById("wxImg").style.display=\'block\';
}
function hideImg(){
document.getElementById("wxImg").style.display=\'none\';
}
</script>
</head>
<body>
<a href="javascript:void(0)" onMouseOut="hideImg()" onmouseover="showImg()">测试</a>
<div id="wxImg" style="display:none;height:50px;back-ground:#f00;position:absolute;">
<img src="https://i.loli.net/2020/02/17/fACYLUMDdxyrnTe.jpg">
</div>
</body>
</html>
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