简单教程
提交运行
代码编辑器:
<script> function displayResult(){ var x=document.getElementById("mySelect"); var txt="All options: "; var i; for (i=0;i<x.length;i++){ txt=txt + "\n" + x.options[i].text; } alert(txt); } </script> <form> 你最喜欢的水果: <select id="mySelect"> <option>Apple</option> <option>Orange</option> <option>Pineapple</option> <option>Banana</option> </select> </form> <button type="button" onclick="displayResult()">显示所有选项的文本</button>
运行结果: