获取表单select域的选择部分的文本

 1 body>
 2 <form action="index.php">
 3     <select name="" id="select">
 4         <option value="1">一</option>
 5         <option value="2">二</option>
 6         <option value="3">三</option>
 7     </select>
 8 </form>
 9 <script>
10     window.onload=function () {
11         var select=document.getElementById(‘select‘);
12         select.onchange=function (ev) {
13             console.log(this.options[this.selectedIndex].text);
14         }
15     }
16 </script>
17 </body>