select object

select object

A tag corresponds to a select object.

select object properties

• options[]: Set or return the

tag in the drop-down list array.

• selectedIndex: Set or select the index number of the specified

.

• length: Specify the number of

tags in the drop-down list.

• name: element name.

option object

An

tag corresponds to an option object.

option object attribute

• text: refers to the text between

and .

• value: refers to the attribute of the

tag.

      
  
 城市： 

北京 上海 深圳