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<html> <head> <script type="text/javascript"> function removeOption() { var x=document.getElementById("mySelect") x.remove(x.selectedIndex) } </script> </head> <body> <form> <select id="mySelect"> <option>苹果</option> <option>桃子</option> <option>香蕉</option> <option>桔子</option> </select> <input type="button" onclick="removeOption()" value="删除被选的选项"> </form> </body> </html>