源代碼
點擊運行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>教程</title> <script> function getOptions(){ var x=document.getElementById("mySelect"); var txt="選中的選項是: "; var i; for (i=0;i<x.length;i++){ if(x.options[i].selected) { txt=txt + " " + x.options[i].text; } } alert(txt); } </script> </head> <body> <form> 你喜歡的水果是： <select id="mySelect"> <option>蘋果</option> <option>橙子</option> <option>菠蘿</option> <option>香蕉</option> </select> <br><br> <input type="button" onclick="getOptions()" value="輸出選中選項"> </form> </body> </html>
運行結果