简易ATM取款机 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>简易ATM取款机案例</title>
    <style>
        #atm{
            text-align: center;
            margin: auto auto;
            justify-content: center;
            min-height: 50vh;
        }
        #yinHangKa{
            text-align: center;
            margin: auto auto;
            justify-content: center;
            min-height: 50vh;
        }
    </style>
</head>
<body>
    <h2 id="atm" style="background-color: aqua;">简易ATM取款机</h2>
    <div style="text-align: center; margin: 0 auto;background-color: antiquewhite;"><button onclick="executeIncidence()">开始</button></div>
    <h2 id="yinHangKa" style="background-color: orange;">银行卡余额:<span id="yuE"></span></h2>
    <script>
        let incidence = 0;
        function executeIncidence(){
            while(true){
            
            let circumstance = prompt('请输入您要执行的操作')
            if (circumstance.includes('存钱')){
                incidence += +prompt('请输入您要存入的钱数')
                alert(`当前卡内余额${incidence}`)
            }
            else if(circumstance.includes('取钱')){
                incidence -= +prompt('请输入您要取出的钱数')
                alert(`当前卡内余额${incidence}`)
            }
            else{
                alert('退出')
                break
            }
            let content = document.querySelector('#yuE')
            content.innerHTML = incidence
            }
        }
        
    </script>
</body>
</html>
posted @ 2026-02-23 11:11  AttaSayyid  阅读(6)  评论(0)    收藏  举报