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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <meta charset="UTF-8">
- <meta name="viewport" content="width=device-width, initial-scale=1.0">
- <title>Document</title>
- </head>
- <body>
- <script>
- var isContinue = window.confirm("是否开始点餐？");
- if(isContinue){
- var num = window.prompt("一共几个人用餐？");
- num *= 1;
- // 定义变量接受所有用餐的人
- var person = [];
- // 根据用户输入的人数搜集人名
- for(var i=0;i<num;i++){
- var userName = window.prompt("请输入第"+(i+1)+"个人的名字");
- person.push(userName);
- }
- // 定一个菜单 10个菜
- var food = ["宫保鸡丁","土豆丝","锅包肉","肉段烧茄子","凉菜","酸辣土豆丝","包子","面条","好吃的","啥都行"];
- for(var j=0;j<person.length;j++){
- // 生成一个0-9的随机数
- var ranNum = Math.random();
- ranNum *= 10;
- ranNum = Math.floor(ranNum);
- console.log(person[j]+"点了一份"+food[ranNum]);
- }
- }else{
- alert("退出点餐");
- }
- </script>
- </body>
- </html>
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