求大神告知如何在鼠标移开后如何将内容变成未点击时的内容，代码如下

qq_40930108 2017-11-18 10:19:29

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style type="text/css">
.cla-B{
background: yellowgreen;
width: 300px; height: 40px;
text-align: center;
line-height: 40px;
}
</style>
<script type="text/javascript">
function operD(a){
setInterval(operD,1000);
document.getElementById("div-A").innerHTML=new Date().toLocaleString()
}
function operE(b){

}
</script>
</head>
<body>
<div class="cla-B" onmouseover="operD(this)" id="div-A" onmouseout="operE(this)">一只特例独行的猪</div>
</body>
</html>

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天际的海浪 2017-11-19

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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> <style type="text/css"> .cla-B{ background: yellowgreen; width: 300px; height: 40px; text-align: center; line-height: 40px; } </style> <script type="text/javascript"> var timer; function operD(a){ clearTimeout(timer); document.getElementById("div-A").innerHTML=new Date().toLocaleString() timer = setTimeout(operD,1000); } function operE(b){ clearTimeout(timer); document.getElementById("div-A").innerHTML="一只特例独行的猪" } </script> </head> <body> <div class="cla-B" onmouseover="operD(this)" id="div-A" onmouseout="operE(this)">一只特例独行的猪</div> </body> </html>