打開時加載空白頁

Question

我正在查看一些簡單的Javascript，有人可以幫助您找出問題所在，我是JS的新手，所以我確定這很簡單，我已經錯過了，但是當我加載頁面時，它保持空白並且什么都沒有負載？

任何幫助深表感謝。

<!DOCTYPE html>
<html lang="en">
<head>

</head>
<body>
    <script>


                var numx = prompt("enter your first number");
                var numy = prompt("enter your second number");
                var oper = prompt("enter one of the following operations you would like done to your two numbers, +, -, /, *");
                var answer = 0;

                if(oper == "+")
                {
                    answer = (numx + numy);
                }
                else if(oper == "-")
                {
                    answer = (numx - numy);
                }
                else if(oper == "*")
                {
                    answer = (numx * numy);
                }
                else (oper == "/")
                {
                    answer = (numx / numy);
                }
                document.write("<p>the answer is " + answer "</p>");

    </script>
</body>
</html>

Answer 1

document.write("<p>the answer is " + answer + "</p>");

這是一個小提琴，它寫入現有文檔元素而不是document.write。 https://jsfiddle.net/49yuod7w/

打開時加載空白頁

問題描述

1 個解決方案

解決方案1
0 2016-03-15 21:26:10

打開時加載空白頁

問題描述

1 個解決方案

解決方案1 0 2016-03-15 21:26:10

解決方案1
0 2016-03-15 21:26:10