<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<script>
function figure1(){
var figure = money.value;
var wushi = Math.floor(figure/50);
var ershi = Math.floor(figure%50/20);
var shiyuan = Math.floor(figure%50%20/10);
var wuyuan = Math.floor(figure%50%20%10/5);
var yiyuan = Math.floor(figure - wushi*50 - ershi*20 - shiyuan*10 - wuyuan*5);
//alert(figure);
show.innerHTML = figure+"="+"50:"+wushi+" 20:"+ershi+" 10:"+shiyuan+" 5:"+wuyuan+" 1:"+yiyuan;
}
</script>
</head>
<body>
<form action="">
找零金额：<input type="text" name="money" id="money"><br>
<input type="button" value="计算金额" onclick="figure1()">
</form>
<p id="show"></p>
</body>
