- <!DOCTYPE html>
- <html>
- <head>
- <meta charset="UTF-8">
- <title>我的for迴圈</title>
- </head>
- <body>
- <script type="text/javascript">
- var start=parseInt(prompt("請輸入起始數"));
- var end=parseInt(prompt("請輸入結束數"));
- var total=0
- for(var a=start; a<=end ; a++)
- {
- total=total+a;
- document.write(a+"|"+total);
- document.write("<br\>");
- }
- alert("總和是"+total);
- </script>
- </body>
- </html>
複製代碼 |