水仙花数
听起来很美的名字,可它着实让我喜欢不起来
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>水仙花数</title>
<style type="text/css">
#box{
width: 200px;
height: 50px;
border: 1px solid red;
}
</style>
</head>
<body>
<input type="text" placeholder="请输入一个三位数" id="add"/>
<input type="button" value="判断" id="btn"/>
<div id="box"></div>
</body>
<script type="text/javascript">
var add=document.getElementById("add");
var btn=document.getElementById("btn");
var box=document.getElementById("box");
btn.οnclick=function()
{
var y=add.value;
var a=y%10;
var b=parseInt(y/10%10);
var c=parseInt(y/100);
if (a*a*a+b*b*b+c*c*c==y) {
box.innerHTML=y+"是水仙花数字"
} else{
box.innerHTML=y+"不是水仙花数字"
}
}
</script>
</html>
美则美矣~