练习3
2018-12-02 本文已影响0人
张露锋
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>if练习3</title>
<script type="text/javascript">
var num1 = +prompt("请输入第一个数:");
var num2 = +prompt("请输入第二个数:");
var num3 = +prompt("请输入第三个数:");
alert(typeof num1);
if(num1 < num2 && num1 < num3){
if(num2 < num3){
alert(num1 +","+num2 + ","+num3);
}else{
alert(num1 +","+num3 + ","+num2);
}
}else if(num2 < num1 && num2 < num3){
if(num1 < num3){
alert(num2 +","+num1 + ","+num3);
}else{
alert(num2 +","+num3 + ","+num1);
}
}else{
if(num1 < num2){
alert(num3 +","+num1 + ","+num2);
}else{
alert(num3 +","+num2 + ","+num1);
}
}
</script>
</head>
<body>
</body>
</html>