13.循环语句.html

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<html lang="zh">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script>
        var n=parseInt(prompt("请输入值"));
        
        do{
            document.write(n+"<br/>")
            n++
        }while(n<10)
        /* while(n<10)
        {
            
            document.write(n +"<br/>");
            n++;
        } */
        /* document.write(n++ +"<br/>")
        document.write(n++ +"<br/>")
        document.write(n++ +"<br/>")
        document.write(n++ +"<br/>") */
         
        
    </script>
</head>
<body>
    
</body>
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