Summary of common codes for js control form operations_javascript skills

1. Automatically select text when the mouse passes over it
Code:

Copy code The code is as follows:

Automatic selection when the mouse moves over:

2. Set radio button
Code:

Copy code The code is as follows:

The camera brand you are using

  Canon ="nikon">Nikon

 Sony

  Tentax

 

3. Set the complex Select box
Code:

Copy code

The code is as follows:

    打球

    看电视

    上网

    看书

    跑步

      
   
   

4.设置下拉菜单
下拉菜单中最重要的莫过于访问被用户选中的选项，对于单选下拉菜单可以通过selectedIndex属性轻松地访问到选项。
Code:

复制代码 代码如下:

     白羊
        金牛
        双子
        狮子
        处女