<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
</head>
<script type="text/javascript">
function test1(){
var a=5;
var b=6;
if(a>10||b>2){
alert("goodS");
}
}
function rand1(){
var rand=(Math.round(Math.random()*100));
switch (rand){
case 10:
alert("rand=10");
break;
case 20:
alert("rand=20");
break;
case 30:
alert("rand=30");
break;
case 40:
alert("rand=140");
break;
default:
alert(rand);
alert(Math.valueOf(rand));
break;
}
}
function rdata(){
var rand=(Math.round(Math.random()*200));
var num=rand-100;
alert(num);
alert(Math.round(num/10));
switch (num/10){
case -5:
alert(rand);
break;
case -10:
alert(rand);
break;
case 1:
alert(rand);
break;
case 5:
alert(rand);
break;
case 15:
alert(rand);
break;
default:
alert(rand);
break;
}
}
function rdate(){
var date =new Date().getDate();
alert(date);
}
rdate();
</script>
<body>
</body>
</html>
js 的小实验
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转载自blog.csdn.net/heiiochange/article/details/78025926
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