<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>js_homework</title>
<style>
body{
background-color: azure;
position: absolute;
display: flex;
flex-wrap: wrap;
}
#index_div{
margin-left: 100px;
background:antiquewhite;
width: 500px;
height: 500px;
}
#my_textarea{
margin: 50px;
width: 400px;
height: 200px;
}
#option_div{
margin-left: 50px;
}
</style>
</head>
<body>
<iframe id="ifram_div" src="my_iframe.html" width="500px" height="500px"></iframe>
<div id="index_div" width="500px" height="500px">
<textarea id="my_textarea"></textarea>
<div id="option_div">
<input type="radio" name="myradio" />添加
<input type="radio" name="myradio" />删除
<input type="radio" name="myradio" />插入
<input type="radio" name="myradio" />替换
Paragraph #: <select id="grafCount" ></select>
<input type="submit" value="OK" onclick="okbutton()"/>
</div>
</div>
<script src="js/main.js"></script>
</body>
</html>
