实例代码“Ctrl+/”提示“F11/ESC”全屏 返回 格式化 恢复 运行
​x
 
1
<!DOCTYPE html>
2
<html>
3
<head>
4
    <title>Execution Context Example 7</title>
5
    <script type="text/javascript">
6
        var color = "blue";
7
      
8
        function getColor(){
9
            var color = "red";
10
            return color;
11
        }
12
      
13
        alert(getColor());  //"red"
14
​
15
​
16
    
17
    </script>
18
​
19
</head>
20
<body>
21
22
</body>
23
</html>