下拉框点击跳转链接地址

 

<select onchange="javascript: window.open(this.options[this.selectedIndex].value);" name="link">
    <option >--请选择--</option>
     <option value="https://www.baidu.com/">百度1</option>
    <option value="https://www.baidu.com/s?ie=UTF-8&wd=baidu">百度3</option>
    <option value="https://www.baidu.com/s?ie=UTF-8&wd=wc">百度2</option>
</select>