实例代码“Ctrl+/”提示“F11/ESC”全屏 返回 格式化 恢复 运行
AخA
 
1
<!DOCTYPE html>
2
<html>
3
    <head>
4
        <title>
5
            Logical AND Example 1
6
        </title>
7
        <script type="text/javascript">
8
            var found = true;
9
            var result = (found && someUndeclaredVariable); //error occurs here
10
            alert(result); //this line never executes
11
        </script>
12
    </head>
13
    <body>
14
    </body>
15
</html>