js 获取select CheckBox

js获取select的值

<select name="selected" onchange="select()">
    <option selected>--请选择--</option>
    <option >cs</option>
    <option >lol</option>
</select>

var select = document.getElementsByName("selected")[].value;
           

js获取CheckBox的值

<input type="checkbox" name="aihao" value="0" />&nbsp;&nbsp;
<input type="checkbox" name="aihao" value="1" />&nbsp;&nbsp;
<input type="checkbox" name="aihao" value="2" />&nbsp;&nbsp;

var obj=document.getElementsByName('aihao');
for(var i=; i<obj.length; i++){
    if(obj[i].checked){  //查看被选中的值
    }
  }