This article mainly introduces the problem of the minimum number of change sheets implemented by JS, and involves the operation skills related to javascript mathematical operations. Friends in need can refer to it.
The complete code is as follows:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>www.jb51.net 找零问题</title>
</head>
<body>
<script>
var price = prompt("请输入商品价格(在100块钱以内)：");
if(price>100){
alert("请输入0-100之间的整数！");
var price = prompt("请输入商品价格(在100块钱以内)：");
}
else{
document.writeln("<b style='color: green;'>"+price+"</b>"+"找零情况如下:</br>");
var number = new Array(50,20,10,5,1);
if (price>=0){
for(var i=0; i<number.length; i++){
var N=Math.floor(price/number[i]);
document.writeln("找"+"<b style='color:red;'>"+number[i]+"</b>"+"元--"+"<b style='color:red;'>"+N+"</b>"+"张"+"</br>");
price = price-N*number[i];
}
}
}
</script>
</body>
</html>Running results:
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