模仿贴吧评论系统
Posted 朱白雪の博客
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刚开始看到这个的时候感觉非常神奇哈哈
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
*{
margin: 0;
padding: 0;
}
#div1{
width: 500px;
border: 1px solid;
margin: 10px;
}
#topic{
text-indent: 70px;
font-size: 22px;
padding: 20px 0;
border-bottom: 2px solid grey;
}
#response{
text-align: right;
padding: 5px;
}
.txtArea{
width: 480px;
margin: 0 auto;
}
textarea{
width: 480px;
}
button{
margin-left: 460px;
margin-bottom: 5px;
}
#commentForm{
margin-top: 10px;
display: none;
}
</style>
</head>
<body>
<div id="div1">
<div>老师说：</div>
<div id="topic">今天考试客户端</div>
<div id="response"><a href="#" id="responseBtn">回复</a></div>
<form action="" id="commentForm">
<div class="txtArea"><textarea name="" id="comment" cols="30" rows="10"></textarea></div>
<div><button id="commentBtn">评论</button></div>
</form>
</div>
<script>
var div1 = document.getElementById("div1");
var responseBtn = document.getElementById("responseBtn");
var response = document.getElementById("response");
var commentForm = document.getElementById("commentForm");
var commentBtn = document.getElementById("commentBtn");
var comment = document.getElementById("comment");
var topic = document.getElementById("topic");
responseBtn.addEventListener("click",function(){
commentForm.style.display = "block";
})
commentBtn.addEventListener("mousedown",function(){
var commentItem = document.createElement("div");
commentItem.style.padding = "10px 0";
commentItem.style.borderBottom = "2px solid grey";
commentItem.innerHTML = " "+comment.value;
div1.insertBefore(commentItem,response);
commentForm.style.display = "none";
response.style.display = "block";
comment.value = "";
})
</script>
</body>
</html>
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