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Home >Web Front-end >HTML Tutorial >About how to prevent the lower div from changing when the upper div is pulled down after div is combined with jQuery drop-down_html/css_WEB-ITnose

About how to prevent the lower div from changing when the upper div is pulled down after div is combined with jQuery drop-down_html/css_WEB-ITnose

WBOY
WBOYOriginal
2016-06-24 12:21:401067browse

HTML jQuery 

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head>  <title></title>  <style type="text/css">	* { margin:0; padding:0;}	.dl_b{margin:0; padding:15px;height:10px;background:#0099ff}	.c{width:100px;height:30px}	.panel{width:100%;height:300px;background:#8080c0}  </style>  <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.0/jquery.min.js"></script> </head> <body>	<div id="dlzc" class="dl_b">   登录/注册</div>	<div class="panel" id ="panel" style="display:none;">	<div id="dlpage" style="float:left">	 <form action="action"> 		<br>		<br>		<br>		<br><pre class="brush:php;toolbar:false">  		用户名：<input type="text" name="username"/><br>  		密  码：<input type="password" name="password"/><br>  		<input class="c" type="submit" value="登录" /><br>		


		  	<form action="action2" method="post">  						 用户名 ：<input type="text" name="username"><br>						密    码：<input type="password" name="password"><br>						密码确认：<input type="password" name="password1"><br>						<input class="c" type="submit" value="注册"><br>  		</form>

如何让这部分不会随上面下拉而变化。
<script> $(document).ready(function(){$("#dlzc").click(function(){ $("#panel").slideToggle("slow"); });});</script>

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The code is as above, please give me some advice on how to set it up to get what I expect. effect.

Reply to discussion (solution)

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head>  <title></title>  <style type="text/css">    * { margin:0; padding:0;}    .dl_b{margin:0; padding:15px;height:10px;background:#0099ff}    .c{width:100px;height:30px}    .panel{width:100%;height:300px;background:#8080c0}  </style>  <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.0/jquery.min.js"></script> </head> <body>    <div id="dlzc" class="dl_b">   登录/注册</div>    <div class="panel" id ="panel" style="display:none;">    <div id="dlpage" style="float:left">     <form action="action">         <br>        <br>        <br>        <br><pre class="brush:php;toolbar:false">          用户名：<input type="text" name="username"/><br>          密  码：<input type="password" name="password"/><br>          <input class="c" type="submit" value="登录" /><br>        


              <form action="action2" method="post">                           用户名 ：<input type="text" name="username"><br>                        密    码：<input type="password" name="password"><br>                        密码确认：<input type="password" name="password1"><br>                        <input class="c" type="submit" value="注册"><br>          </form>

如何让这部分不会随上面下拉而变化。
<script> $(document).ready(function(){$("#dlzc").click(function(){ $("#panel").slideToggle("slow"); });});</script>


What does this mean?

Use positioning 

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head>  <title></title>  <style type="text/css">    * { margin:0; padding:0;}    .dl_b{margin:0; padding:15px;height:10px;background:#0099ff}    .c{width:100px;height:30px}    .panel{width:100%;height:300px;background:#8080c0}  </style>  <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.0/jquery.min.js"></script> </head> <body>    <div id="dlzc" class="dl_b">   登录/注册</div>    <div class="panel" id ="panel" style="display:none;">    <div id="dlpage" style="float:left">     <form action="action">         <br>        <br>        <br>        <br><pre class="brush:php;toolbar:false">          用户名：<input type="text" name="username"/><br>          密  码：<input type="password" name="password"/><br>          <input class="c" type="submit" value="登录" /><br>        


              <form action="action2" method="post">                           用户名 ：<input type="text" name="username"><br>                        密    码：<input type="password" name="password"><br>                        密码确认：<input type="password" name="password1"><br>                        <input class="c" type="submit" value="注册"><br>          </form>

如何让这部分不会随上面下拉而变化。
<script> $(document).ready(function(){$("#dlzc").click(function(){ $("#panel").slideToggle("slow"); });});</script>


What does this mean?

Using positioning I have used positioning. The key is that after the above div is pulled down, the contents of the two divs overlap. Is it possible to make the drop-down div float on top of it? http://www.m1905.com/ is like the upper left corner of this website. 


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head>  <title></title>  <style type="text/css">    * { margin:0; padding:0;}    .dl_b{margin:0; padding:15px;height:10px;background:#0099ff}    .c{width:100px;height:30px}    .panel{width:100%;height:300px;background:#8080c0}  </style>  <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.0/jquery.min.js"></script> </head> <body>    <div id="dlzc" class="dl_b">   登录/注册</div>    <div class="panel" id ="panel" style="display:none;">    <div id="dlpage" style="float:left">     <form action="action">         <br>        <br>        <br>        <br><pre class="brush:php;toolbar:false">          用户名：<input type="text" name="username"/><br>          密  码：<input type="password" name="password"/><br>          <input class="c" type="submit" value="登录" /><br>        


              <form action="action2" method="post">                           用户名 ：<input type="text" name="username"><br>                        密    码：<input type="password" name="password"><br>                        密码确认：<input type="password" name="password1"><br>                        <input class="c" type="submit" value="注册"><br>          </form>

如何让这部分不会随上面下拉而变化。
<script> $(document).ready(function(){$("#dlzc").click(function(){ $("#panel").slideToggle("slow"); });});</script>


What does this mean?

Using positioning I have used positioning. The key is that after the above div is pulled down, the contents of the two divs overlap. Is it possible to make the drop-down div float on top of it? http://www.m1905.com/ is like the upper left corner of this website.

Your positioning is useless, right? To make the drop-down div float on top, you need to use positioning. First relative positioning, then absolute positioning. Don’t forget to add the z-index attribute there for absolute positioning. There are many related special effects online. You can also learn how to use positioning 

<!doctype html><html> <head> <meta charset="utf-8">   <title></title>  <style type="text/css">    * { margin:0; padding:0;}    .dl_b{margin:0; padding:15px;height:10px;background:#0099ff}    .c{width:100px;height:30px}    .panel{width:100%;height:300px;background:#8080c0; position:absolute; z-index:999;}  </style>  <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.0/jquery.min.js"></script> </head> <body>    <div id="dlzc" class="dl_b">   登录/注册</div>    <div style="position:relative;">    <div class="panel" id ="panel" style="display:none;">    <div id="dlpage" style="float:left">     <form action="action">         <br>        <br>        <br>        <br><pre class="brush:php;toolbar:false">          用户名：<input type="text" name="username"/><br>          密  码：<input type="password" name="password"/><br>          <input class="c" type="submit" value="登录" /><br>        


              <form action="action2" method="post">                           用户名 ：<input type="text" name="username"><br>                        密    码：<input type="password" name="password"><br>                        密码确认：<input type="password" name="password1"><br>                        <input class="c" type="submit" value="注册"><br>          </form>

如何让这部分不会随上面下拉而变化。
<script> $(document).ready(function(){$("#dlzc").click(function(){ $("#panel").slideToggle("slow"); });});</script>


I defined it casually and did not write standardized css for you. It is useless under IE6 because IE6 does not support the fixed attribute. If you want to support IE6, simple CSS can no longer achieve it.

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