1.模拟计算机病毒效果，当打开一个页面时，会不停的弹出窗口
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<img src="zuoyeimgs/webPic.jpg" onclick="bindu()"/>
<script>
function bindu() {
window.open("bingduyemian.html");
}
var a=setInterval("bindu()",1000);
</script>
</body>
</html>2.根据Date()对象获取当前的日期和时间，根据不同时间显示不同的问候语
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>当前时间</title>
</head>
<body>
<script>
var sj=new Date();
var nian=sj.getFullYear();//年
var yue=sj.getMonth()+1;//月
var ri=sj.getDate();//日
var shi=sj.getHours();//时
var fen=sj.getMinutes();//分
document.write("今天日期:"+nian+"年"+yue+"月"+ri+"日"+"<br/>");
document.write("现在时间:"+shi+"点"+fen+"分"+"<br/>");
if(shi<12){
document.write("上午好！欢迎来到贵美")
}else if(shi>12 && shi<=18 && fen>0){
document.write("下午好！欢迎来到贵美")
}else {
document.write("晚上好！欢迎来到贵美")
}
</script>
</body>
</html>3.模拟随机发放水果功能，水果品种固定，每次之发放一种
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>随机发放水果</title>
</head>
<body>
<script>
var shuiguo= new Array("苹果" ,"香蕉","梨子","西瓜","火龙果","芒果","荔枝");
var num=Math.ceil(Math.random()*7)-1;
document.write("您得到的水果是:"+shuiguo[num]);
</script>
</body>
</html>