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我想保留电影的标题和流派以备后用。我只在单击“插入电影”这个句子时才显示文本框和下拉菜单。在单击该句子之前出现下拉菜单,我不知道如何更改该句子。我还想以某种方式保留输入值。插入文本框和下拉菜单
<html>
<head>
<title >MOVIES </title>
<script type="text/javascript">
function myFunction() {
document.getElementById("a").innerHTML="<p><input type='text' name='title'>";
}
</script>
</head>
<body>
<center>
<form>
<h1 style="color:black">MOVIES </h1>
</center>
<ul>
<li> <a onclick="myFunction()">Insert a movie </a> </li>
<p id="a"></p>
<select name="mydropdown">
<option value="Action">Action</option>
<option value="Animation">Animation</option>
<option value="Comedy">Comedy</option>
<option value="Drama">Drama</option>
<option value="Fantasy">Fantasy</option>
<option value="Horror">Horror</option>
<option value="Mystery">Mystery</option>
<option value="Romance">Romance</option>
<option value="Sci-fi">Sci-fi</option>
<option value="War">War</option>
</form>
</body>
</html>