Tetingkap sembang seperti QQ yang dilaksanakan dengan JavaScript Anda boleh mengembangkan lapisan, menyeret lapisan, menutup lapisan dan menghantar mesej dengan mudah, dan tidak banyak kod yang sesuai untuk dipelajari, dan ia juga praktikal . Anda boleh Banyak aplikasi CSS JS dilanjutkan atas dasar ini.
<!--CTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dt--> <html> <head> <title>层展开、层拖动、层关闭</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <style type="text/css" media="all" rel="stylesheet"> <!-- body { text-align:left; margin:0; font:normal 12px Verdana, Arial; background:#FFEEFF } form { margin:0; font:normal 12px Verdana, Arial; } table,input { font:normal 12px Verdana, Arial; } a:link,a:visited{ text-decoration:none; color:#333333; } a:hover{ text-decoration:none; color:#FF6600 } #main { width:400px; position:absolute; left:600px; top:100px; background:#EFEFFF; text-align:left; filter:Alpha(opacity=90) } #ChatHead { text-align:right; padding:3px; border:1px solid #003399; background:#DCDCFF; font-size:11px; color:#3366FF; cursor:move; } #ChatHead a:link,#ChatHead a:visited, { font-size:14px; font-weight:bold; padding:0 3px } #ChatBody { border:1px solid #003399; border-top:none; padding:2px; } #ChatContent { height:200px; padding:6px; overflow-y:scroll; word-break: break-all } #ChatBtn { border-top:1px solid #003399; padding:2px } --> </style><script language="javascript" type="text/javascript"> <!-- function $(d){return document.getElementById(d);} function gs(d){var t=$(d);if (t){return t.style;}else{return null;}} function gs2(d,a){ if (d.currentStyle){ var curVal=d.currentStyle[a] }else{ var curVal=document.defaultView.getComputedStyle(d, null)[a] } return curVal; } function ChatHidden(){gs("ChatBody").display = "none";} function ChatShow(){gs("ChatBody").display = "";} function ChatClose(){gs("main").display = "none";} function ChatSend(obj){ var o = obj.ChatValue; if (o.value.length>0){ $("ChatContent").innerHTML += "<strong>Akon说:</strong>"+o.value+"<br/>"; o.value=''; } } if (document.getElementById){ ( function(){ if (window.opera){ document.write("<input type='hidden' id='Q' value=' '>"); } var n = 500; var dragok = false; var y,x,d,dy,dx; function move(e) { if (!e) e = window.event; if (dragok){ d.style.left = dx + e.clientX - x + "px"; d.style.top = dy + e.clientY - y + "px"; return false; } } function down(e){ if (!e) e = window.event; var temp = (typeof e.target != "undefined")?e.target:e.srcElement; if (temp.tagName != "HTML"|"BODY" && temp.className != "dragclass"){ temp = (typeof temp.parentNode != "undefined")?temp.parentNode:temp.parentElement; } if('TR'==temp.tagName){ temp = (typeof temp.parentNode != "undefined")?temp.parentNode:temp.parentElement; temp = (typeof temp.parentNode != "undefined")?temp.parentNode:temp.parentElement; temp = (typeof temp.parentNode != "undefined")?temp.parentNode:temp.parentElement; } if (temp.className == "dragclass"){ if (window.opera){ document.getElementById("Q").focus(); } dragok = true; temp.style.zIndex = n++; d = temp; dx = parseInt(gs2(temp,"left"))|0; dy = parseInt(gs2(temp,"top"))|0; x = e.clientX; y = e.clientY; document.onmousemove = move; return false; } } function up(){ dragok = false; document.onmousemove = null; } document.onmousedown = down; document.onmouseup = up; } )(); } --> </script> </head> <body> <div class="dragclass" id="main" style="LEFT: 588px; TOP: 298px"> <div id="ChatHead"><a onclick="ChatHidden();" href="#">-</a> <a onclick="ChatShow();" href="#">+</a> <a onclick="ChatClose();" href="#">x</a> </div> <div id="ChatBody"> <div id="ChatContent">HI! Hello ! Welcome to www.jb51.net</div> <div id="ChatBtn"> <form action="" method="post" name="chat"> </form> </div> </div> </div> </body> </html>
Saya harap artikel ini akan membantu reka bentuk pengaturcaraan JavaScript semua orang.