I want to pop up a DIV_html/css_WEB-ITnose in the center of the page-HTML Tutorial-php.cn

I want to pop up a DIV_html/css_WEB-ITnose in the center of the page

WBOY

Release： 2016-06-24 12:26:00

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In school, I only focused on learning coding, so my front-end page design ability was almost zero. I want to pop up a div when a button is clicked. It can be moved and closed. Does anyone know how to achieve this? Thank you.

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<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>提示信息框</title><style type="text/css">a{ color:#000; font-size:12px;text-decoration:none}a:hover{ color:#900; text-decoration:underline}body{background:;filter:progid:DXImageTransform.Microsoft.Gradient(gradientType=0,startColorStr=#ffffff,endColorStr=#003366); overflow:hidden}#massage_box{ position:absolute; left:expression((body.clientWidth-350)/2); top:expression((body.clientHeight-200)/2); width:350px; height:200px;filter:dropshadow(color=#666666,offx=3,offy=3,positive=2); z-index:2; visibility:hidden}#mask{ position:absolute; top:0; left:0; width:expression(body.scrollWidth); height:expression(body.scrollHeight); background:#666; filter:ALPHA(opacity=60); z-index:1; visibility:hidden}.massage{border:#036 solid; border-width:1 1 3 1; width:95%; height:95%; background:#fff; color:#036; font-size:12px; line-height:150%}.header{background:#036; height:10%; font-family:Verdana, Arial, Helvetica, sans-serif; font-size:12px; padding:3 5 0 5; color:#fff}</style><!--实现层移动--><script language="javascript">var Obj=''document.onmouseup=MUpdocument.onmousemove=MMovefunction MDown(Object){Obj=Object.iddocument.all(Obj).setCapture()pX=event.x-document.all(Obj).style.pixelLeft;pY=event.y-document.all(Obj).style.pixelTop;}function MMove(){if(Obj!=''){  document.all(Obj).style.left=event.x-pX;  document.all(Obj).style.top=event.y-pY;  }}function MUp(){if(Obj!=''){  document.all(Obj).releaseCapture();  Obj='';  }}</script></head><body><div id="massage_box"><div class="massage"><div class="header" onmousedown=MDown(massage_box)><div style="display:inline; width:150px; position:absolute">本站提示信息</div><span onClick="massage_box.style.visibility='hidden'; mask.style.visibility='hidden'" style="float:right; display:inline; cursor:hand">&times;</span></div><ul style="margin-right:25"><li>本人申明此博客所有文章（包括文章插图）均为原创，如需引用或转载请注明出处。 </li><li>欢迎大家对博文中观点留言评述，谢绝无聊人士无素质无观点的灌水漫骂。</li><li>本站已设背景音乐，听音乐盒中收集的音乐时请先到页面底部关闭背景音乐。</li></ul></div></div><div id="mask"></div><span onClick="mask.style.visibility='visible';massage_box.style.visibility='visible'" style="cursor:hand"><a href="#">显示提示信息</a></span><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br></body></html>

Copy after login

In fact, the poster is talking about modal plug-ins. Search online and there are many...

ymPrompt.js
http://www.gcooler.com/uploadfile/favorites/demo/ymPrompt/demo.html
There is a documentation. I have been using this and I think it works. You can try it. Try~~

Easy to do with the plug-in ||
Click the button to add the node, use absolute positioning, set the z-index larger, and fill in the content ||
Write this bullet in advance in the html document Window, the display is set to none, and after clicking the button, the display is set to block

Generally, frameworks come with these functions, you can check it out.