源代码:
<!DOCTYPE html> <html> <head> <script> function getOptions(){ var x=document.getElementById("mySelect"); var txt="所有选项: "; var i; for (i=0;i<x.length;i++){ txt=txt + "\n" + x.options[i].text; } alert(txt); } </script> </head> <body> <form> 你喜欢的水果是： <select id="mySelect"> <option>苹果</option> <option>橙子</option> <option>菠萝</option> <option>香蕉</option> </select> <br><br> <input type="button" onclick="getOptions()" value="输出所有选项"> </form> </body> </html>
运行结果：