编辑下面的代码:【加编码】
<html> <head> <script> function getOptions() { 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> </head> <body> <form> Select your favorite fruit: <select id="mySelect"> <option>Apple</option> <option>Orange</option> <option>Pineapple</option> <option>Banana</option> </select> <br><br> <input type="button" onclick="getOptions()" value="Output all options"> </form> </body> </html>
结果: 【此窗口】 帮助?
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