第三次
<TITLE>鮑薇安</TITLE> <H1>下拉式選單</H1> <select id="food"> <option selected>🍔漢堡</option> <option>🍟薯條</option> <option>🍕披薩</option> <option>🌭熱狗</option> <option>🥪三明治</option> <option>🍿爆米花</option> </select> 何謂區塊鍊 <input onclick="compute()" type="button" value="這是你家寶貝想吃的" /> <p id="out"></p> <script> const McDonald = ['🍔', '🍟', '🍕', '🌭', '🥪', '🍿']; function compute() { var food = document.getElementById("food"); document.getElementById("out").innerHTML = "<font size=7>".concat(McDonald[food.selectedIndex],"</font>"); } </script> <iframe src="https://www.facebook.com/plugins/post.php?href=https%3A%2F%2Fwww.facebook.com%2Frobertjcliu%2Fposts%2F4667742943236897&show_text=tr...