js获取<select>标签value值及text值

转载地址: http://hi.baidu.com/ylj798/blog/item/678cbb135bc09cd7f6039e34.html

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<script language="javascript">
        function getSelect(){

/***************第一种方式********/
          var factor=document.getElementById('hi');
           var fa=factor.selectedIndex;
           var username= factor.options[fa].value;

/***************第二种方式********/
           var user=document.getElementById('hi').options[document.getElementById('hi').selectedIndex].text;
           alert(username+'==========='+user);
     }
    </script>

<select name="hi" onchange="getSelect();" id='hi'>
                <option>一</option>
                <option value="02">二</option>
                <option>三</option>
                <option value="04">四</option>
</select>