简单教程
提交运行
代码编辑器:
<script> function displayResult(selTag){ var x=selTag.options[selTag.selectedIndex].text; alert("你选择了: " + x); } </script> <form> 选择你最喜欢的水果: <select onchange="displayResult(this)"> <option>Apple</option> <option>Orange</option> <option>Pineapple</option> <option>Banana</option> </select> </form>
运行结果: