この記事の例では、メッセージが届いたときに Web ページのタイトルが点滅する効果を実現する JS メソッドについて説明します。参考のために皆さんと共有してください。詳細は次のとおりです:
<html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server"> <title>无标题页</title> <script> var g_blinkid = 0; var g_blinkswitch = 0; var g_blinktitle = document.title; var g_onlineuser = ""; var g_sysmsg_sound = null; var g_newmsg_sound = null; var g_app_num = 0; var g_appnum = 0; var g_bappmore = false; var g_inputtime = 0; function blinkNewMsg() { document.title = g_blinkswitch % 2==0 ? "【 】 - " + g_blinktitle : "【新消息】 - " + g_blinktitle; g_blinkswitch++; } g_blinkid = setInterval(blinkNewMsg, 1000); function stopBlinkNewMsg() { if (g_blinkid) { clearInterval(g_blinkid); g_blinkid = 0; document.title = g_blinktitle; } } </script> </head> <body> <form id="form1" runat="server"> <div> <input id="Button1" type="button" value="button" onclick="stopBlinkNewMsg();" /> </div> </form> </body> </html>
Kaixin.com の head-26.js を参照
var g_blinkid = 0; var g_blinkswitch = 0; var g_blinktitle = document.title; var g_onlineuser = ""; var g_sysmsg_sound = null; var g_newmsg_sound = null; var g_app_num = 0; var g_appnum = 0; var g_bappmore = false; var g_inputtime = 0; function blinkNewMsg() { var now = new Date(); var nowtime = now.getTime(); if(nowtime - g_inputtime > 5000) { document.title = g_blinkswitch % 2 ? "【 】 - " + g_blinktitle : "【新消息】 - " + g_blinktitle; } g_blinkswitch++; } function blinkOnline() { document.title = g_blinkswitch % 2 ? "○" + g_onlineuser + " 上线了 - " + g_blinktitle : "●" + g_onlineuser + " 上线了 - " + g_blinktitle; g_blinkswitch++; if (g_blinkswitch > 10) { stopBlinkNewMsg(); } } function checkNewMsg() { var url = "/home/newmsg.php"; var pars = ""; var myAjax = new Ajax.Request(url, {method: "post", parameters: pars, onComplete: function (req) { checkNewMsgShow(req); } }); } function stopBlinkNewMsg() { if (g_blinkid) { clearInterval(g_blinkid); g_blinkid = 0; $("head_msgdiv").style.display = "none"; document.title = g_blinktitle; } } var g_oldmsg = g_oldsysmsg = g_oldbbs = g_oldbbsreply = g_oldcomment = g_oldreply = 0; function checkNewMsgShow(req) { var r = req.responseText; stopBlinkNewMsg(); setTimeout(checkNewMsg, 60000); eval ("r="+r); var a_msglist = new Array("msg", "sysmsg", "bbs", "bbsreply", "comment", "reply"); if(r.notice == "1") { var forbidsound = parseInt(r.forbidsound); if (!forbidsound) { for (i=0; i<a_msglist.length; i++) { if ($("body_" + a_msglist[i] + "_num")) { var c = parseInt($("body_" + a_msglist[i] + "_num").innerHTML); eval("g_old" + a_msglist[i] + "=c;"); } } var newmsg = parseInt(r.msg) + parseInt(r.bbs) + parseInt(r.bbsreply) + parseInt(r.comment) + parseInt(r.reply); var sysmsg = parseInt(r.sysmsg); var newchange = (parseInt(r.msg) - g_oldmsg) || (parseInt(r.bbs) - g_oldbbs) || (parseInt(r.bbsreply) - g_oldbbsreply) || (parseInt(r.comment) - g_oldcomment) || (parseInt(r.reply) - g_oldreply); var syschange = (parseInt(r.sysmsg) - g_oldsysmsg); for (i=0; i<a_msglist.length; i++) { eval("g_old" + a_msglist[i] + "=parseInt(r." + a_msglist[i] + ");"); } if (newmsg && newchange) { if (g_newmsg_sound == null) { g_newmsg_sound = new SWFObject("http://img.kaixin001.com.cn/i2/newmsg_sound.1.0.swf", "newmsg_sound_swf", "1", "1", "8", "#ffffff", true); g_newmsg_sound.addParam("allowscriptaccess", "always"); g_newmsg_sound.addParam("wmode", "opaque"); g_newmsg_sound.addParam("menu", "false"); g_newmsg_sound.addVariable("autoplay","0"); } g_newmsg_sound.write("head_msgsound_div"); } else if (sysmsg && syschange) { if (g_sysmsg_sound == null) { g_sysmsg_sound = new SWFObject("http://img.kaixin001.com.cn/i2/sysmsg_sound.1.0.swf", "sysmsg_sound_swf", "1", "1", "8", "#ffffff", true); g_sysmsg_sound.addParam("allowscriptaccess", "always"); g_sysmsg_sound.addParam("wmode", "opaque"); g_sysmsg_sound.addParam("menu", "false"); g_sysmsg_sound.addVariable("autoplay","0"); } g_sysmsg_sound.write("head_msgsound_div"); } } $("head_msgdiv").style.display = "block"; g_blinkid = setInterval(blinkNewMsg, 1000); } else if (0 && r.online.length) { g_blinkswitch = 0; g_onlineuser = r.online; g_blinkid = setInterval(blinkOnline, 500); } for (i=0; i<a_msglist.length; i++) { if (!parseInt(r[a_msglist[i]])) { $("head_" + a_msglist[i] + "_num").innerHTML = ""; if ($("body_" + a_msglist[i] + "_num")) { $("body_" + a_msglist[i] + "_num").className = "ql2"; $("body_" + a_msglist[i] + "_num").innerHTML = "0条新"; } } else { $("head_" + a_msglist[i] + "_num").innerHTML = "(" + r[a_msglist[i]] + ")"; if ($("body_" + a_msglist[i] + "_num")) { $("body_" + a_msglist[i] + "_num").className = "cr"; $("body_" + a_msglist[i] + "_num").innerHTML = r[a_msglist[i]] + "条新"; } if (a_msglist[i] == "msg") { if ('function' == typeof(msg_view_checkNewMsg)) { msg_view_checkNewMsg(); }; } } } } function outputHead() { var v_html = '<div id="head">' +' <div class="hd">' +' <div class="h1 wl1" style="margin-top:3px;">' +' <div style="padding-left:18px;"><a href="/" class="cf" title="开心网"><img src="http://img.kaixin001.com.cn/i2/kaixinlogo.gif" alt="开心网" width="106" height="36" /></a></div>' +' </div>' +' <div class="h2">' +' <div id="hn1" class="hn_of">' +' <div class="hn_tt"><a href="/home/?t=' + Math.ceil(Math.random() * 100) + '" class="n">首页</a></div>' +' <div class="hn_sj"><a href="javascript:xs(1);" class="sj"><img src="http://img.kaixin001.com.cn/i/r_sj.gif" width="15" height="20" /></a></div>' +' <div class="c"></div>' +' <div id="hn1_l" class="hn_l">' +' <div><a href="/home/" class="hnm">我的首页</a></div>' +' <div class="l1_h"> </div>' +' <div class="c9 m0_15">我的首页预览:</div>' +' <div>' +' <a href="/home/?_preview=friend" class="hnm" target=_blank onclick="javascript:hy();">' +' <div class="l" style="margin:5px 3px;"><img src="http://img.kaixin001.com.cn/i/small-tri.gif" width="3" height="5" /></div>' +' <div class="l" style="cursor:pointer;">好友访问时</div>' +' <div class="c"></div>' +' </a>' +' </div>' +' <div class="mb10">' +' <a href="/home/?_preview=other" class="hnm" target=_blank onclick="javascript:hy();" >' +' <div class="l" style="margin:5px 3px;"><img src="http://img.kaixin001.com.cn/i/small-tri.gif" width="3" height="5" /></div>' +' <div class="l" style="cursor:pointer;">陌生人访问时</div>' +' <div class="c"></div>' +' </a>' +' </div>' +' </div>' +' </div>' +' <div id="hn_xx1" class="hn_xx"><img src="http://img.kaixin001.com.cn/i/r_xx13.gif" width="1" height="13" /></div>' +' ' +' <div id="hn2" class="hn_of">' +' <div class="hn_tt"><a href="/friend/?t=' + Math.ceil(Math.random() * 100) + '" class="n">好友</a></div>' +' <div class="hn_sj"><a href="javascript:xs(2);" class="sj"><img src="http://img.kaixin001.com.cn/i/r_sj.gif" width="15" height="20" /></a></div>' +' <div class="c"></div>' +' <!--' +' <iframe style="position:absolute;z-index:1;width:expression(this.nextSibling.offsetWidth);height:expression(this.nextSibling.offsetHeight);top:expression(this.nextSibling.offsetTop);left:expression(this.nextSibling.offsetLeft);" frameborder="0" ></iframe>' +' -->' +' <div id="hn2_l" class="hn_l" style="z-index:2">' +' <div><a href="/friend/" class="hnm">我的全部好友</a></div>' +' <div><a href="/friend/?viewtype=online" class="hnm">当前在线好友</a></div>' +' <div><a href="/friend/group.php" class="hnm">好友管理</a></div>' +' <div><a href="/home/fstatus.php" class="hnm">好友状态更新</a></div>' +' <div class="l1_h"> </div>' +' <div><a href="/friend/invite.php" class="hnm">邀请朋友加入</a></div>' +' <div><a href="/friend/search.php" class="hnm">查找朋友</a></div>' +' </div>' +' </div>' +' <div id="hn_xx2" class="hn_xx"><img src="http://img.kaixin001.com.cn/i/r_xx13.gif" width="1" height="13" /></div>' +' ' +' <div id="hn3" class="hn_of">' +' <div class="hn_tt"><a href="/group/?t=' + Math.ceil(Math.random() * 100) + '" class="n">群</a></div>' +' <div class="hn_sj"><a href="javascript:xs(3);" class="sj"><img src="http://img.kaixin001.com.cn/i/r_sj.gif" width="15" height="20" /></a></div>' +' <div class="c"></div>' +' <div id="hn3_l" class="hn_l">' +' <div><a href="/group/" class="hnm">我的群</a></div>' +' <div><a href="/group/flist.php" class="hnm">好友的群</a></div>' +' <div class="l1_h"> </div>' +' <div><a href="/group/new.php" class="hnm">创建新群</a></div>' +' <div><a href="/group/search.php" class="hnm">全部群</a></div>' +' </div>' +' </div>' +' <div id="hn_xx3" class="hn_xx"><img src="http://img.kaixin001.com.cn/i/r_xx13.gif" width="1" height="13" /></div>' +' ' +' <div id="hn4" class="hn_of" style="padding-right:28px;">' +' <div class="hn_tt"><a href="/msg/?t=' + Math.ceil(Math.random() * 100) + '" class="n">消息</a></div>' +' <div class="hn_sj"><a href="javascript:xs(4);" class="sj"><img src="http://img.kaixin001.com.cn/i/r_sj.gif" width="15" height="20" /></a><span style="position:absolute;top:5px; left:65px;display:none;" id=head_msgdiv><a href="/msg/" class="n" style="margin-top:-5px;"><img src="http://img.kaixin001.com.cn/i/ddtx.gif" onmouseover="javascript:xs(4);" border=0></a></span></div>' +' <div class="c"></div>' +' <div id="hn4_l" class="hn_l">' +' <div><a href="/msg/inbox.php?t=' + Math.ceil(Math.random() * 100) + '" class="hnm">短消息<span style="padding-left:2px;color:red;" id=head_msg_num></span></a></div>' +' <div><a href="/msg/sys.php?t=' + Math.ceil(Math.random() * 100) + '" class="hnm"">系统消息<span style="padding-left:2px;color:red;" id=head_sysmsg_num></span></a></div>' +' <div class="l1_h"> </div>' +' <div><a href="/comment/?t=' + Math.ceil(Math.random() * 100) + '" class="hnm">评论<span style="padding-left:2px;color:red;" id=head_comment_num></span></a></div>' +' <div><a href="/comment/send.php?t=' + Math.ceil(Math.random() * 100) + '" class="hnm">评论回复<span style="padding-left:2px;color:red;" id=head_reply_num></span></a></div>' +' <div><a href="/comment/uindex.php?t=' + Math.ceil(Math.random() * 100) + '" class="hnm">留言板<span style="padding-left:2px;color:red;" id=head_bbs_num></span></a></div>' +' <div><a href="/comment/usend.php?t=' + Math.ceil(Math.random() * 100) + '" class="hnm">留言回复<span style="padding-left:2px;color:red;" id=head_bbsreply_num></span></a></div>' +' </div>' +' </div>' +' <div id="hn_xx4" class="hn_xx"></div>' +' ' +' <div class="c"></div>' +' </div>' +' <div class="h3"><a href="/friend/invite.php" class="ce">邀请</a> ┊ <a href="/friend/search.php" class="ce">找人</a> ┊ <a href="/set/account.php" class="ce">账户</a> ┊ <a href="/set/privacy.php" class="ce">隐私</a> ┊ <a href="/login/logout.php" class="ce">退出</a></div>' +' <div class="c"></div>' +' </div>' +'</div>' +'<div id="head_msgsound_div" style="left:0;top:0;position:absolute;"></div>' +'<div id="main">' +' <div class="m1 wl1">' +' <div class="m1t"></div>' +' <div id="app_friend_tip" style="z-index:20000;position:absolute;background:#fff;border:2px solid #F7F7F7;width:160px;height:250px;display:none;">' +' </div>'; document.writeln(v_html); } function _outputApp(v_icon, v_link, v_title, v_aid, v_index_num) { if (-1 == v_link.indexOf("?")) { v_link += "?t=" + Math.ceil(Math.random() * 100); } else { v_link += "&t=" + Math.ceil(Math.random() * 100); } v_html = '<div style="margin:12px 15px 12px 15px;" onmouseover="javascript:if(\'' + v_index_num + '\'==\'1\'){$(\'app_friend_' + v_aid + '\').style.display=\'block\';}" onmouseout="javascript:$(\'app_friend_' + v_aid + '\').style.display=\'none\';">' +' <div class="l"><img src="' + v_icon + '" width="28" height="24" align="absmiddle" /> <a href="' + v_link + '" class="sl" title="' + v_title + '" ><b class="f14">' + v_title + '</b></a></div>' +' <div class="l" id="app_friend_' + v_aid + '" style="display:none;padding:8px 3px;cursor:pointer;" onclick="javascript:a_appfriend_show(' + v_aid + ' , \'' + v_link + '\' , \'' + v_title + '\');"><img src="http://img.kaixin001.com.cn/i2/xiasanjiao.gif" width="7" height="4" alt="快速查看你所有好友的' + v_title + '内容" align="absmiddle" /></div>' +' <div class="c"></div>' +'</div>'; return v_html; } function outputApp(v_icon, v_link, v_title, v_aid, v_index_num) { document.writeln(_outputApp(v_icon, v_link, v_title, v_aid, v_index_num)); } function _setApplistHiddenHead() { if (g_app_num==-1) return ''; g_appnum++; if (g_appnum>g_app_num && !g_bappmore) { g_bappmore = true; return '<span id=applistmore style="display:none">'; } return ''; } function setApplistHiddenHead() { document.writeln(_setApplistHiddenHead()); } function _setApplistHiddenTail() { if (g_app_num==-1) return ''; if (g_bappmore) { return '</span><div id=applistscroll class="tar" style="margin-top:-10px;"><img src="http://img.kaixin001.com.cn/i2/xiala.gif" width="5" align="absmiddle"> <a href="javascript:showAppmore();" class="sl-gray" style="text-decoration:none;" title="列出我的全部组件">展开</a> </div>'; } return ''; } function setApplistHiddenTail() { document.writeln(_setApplistHiddenTail()); } function outputHead2() { document.write('<div class="tac mb5"><img src="http://img.kaixin001.com.cn/i/index_app.gif" width="120" height="2" /></div> <div style="position:relative;"> <div class="install_tips" id="install_tips" style="position:absolute; left:110px; top:-7px; z-index:99; display:none;"> <div class="tar" style="padding:7px 15px 0 0;"><img src="http://img.kaixin001.com.cn/i2/black_del.gif" title="关闭" style="cursor:pointer;" onclick="h(\'install_tips\')" /></div> <p style="padding:0px 20px;">点击这里,添加各种实用或游戏组件</p></div> <div class="p5 m0_10 tac"><img src="http://img.kaixin001.com.cn/i/index_app_add1.gif" width="9" height="9" title="添加组件" /> <a href="/app/list.php" class="sl2">添加组件</a></div> </div> <div class="p5 m0_10 tac" style="margin-top:-8px;"><img src="http://img.kaixin001.com.cn/i/index_app_set1.gif" width="9" height="9" title="组件设置" /> <a href="/set/appman.php" class="sl2">组件设置</a></div></div>'); } function showAppmore() { if ($("applistmore").style.display=="none") { $("applistmore").style.display="block"; $("applistscroll").innerHTML = '<img src="http://img.kaixin001.com.cn/i2/shouqi.gif" width="5" align="absmiddle"> <a href="javascript:showAppmore();" class="sl-gray" style="text-decoration:none;">收起</a> '; } else { $("applistmore").style.display="none"; $("applistscroll").innerHTML = '<img src="http://img.kaixin001.com.cn/i2/xiala.gif" width="5" align="absmiddle"> <a href="javascript:showAppmore();" class="sl-gray" style="text-decoration:none;">展开</a> '; } } function outputAppInfo() { if (g_allapp_num > g_prevapp_num) { var url = "/app/left.php"; var pars = ""; var myAjax = new Ajax.Request(url, {method: "post", parameters: pars, onComplete: function (req) { outputAppInfoAjaxShow(req); } }); } } function outputAppInfoAjaxShow(req) { eval("data="+req.responseText); var v_html = ''; for (var i=0; i<data.length; i++) { v_html += _setApplistHiddenHead(); v_html += _outputApp(data[i]["icon"], data[i]["link"], data[i]["title"], data[i]["aid"], data[i]["index_num"]); } v_html += _setApplistHiddenTail(); $("head_applist").innerHTML =v_html; } function outputTail() { document.writeln('<div class="c"></div>' +'</div>' +'<div id="b">' +' <div class="b1"><a href="/s/about.html" class="c6" target="_blank">关于我们</a><span>┊</span><a href="/s/contact.html" class="c6" target="_blank">联系方式</a><span>┊</span><a href="/t/feedback.html" class="c6" target="_blank">意见反馈</a><span>┊</span><a href="/s/help.html" class="c6" target="_blank">帮助中心</a> © 2009 kaixin001.com <a class=c6 href=http://www.miibeian.gov.cn target=_blank>京ICP证080482号</a> </div>' +'</div>'); }
さらに JavaScript 関連のコンテンツに興味のある読者は、このサイトの特別トピックをチェックしてください: 「JavaScript における ajax 操作スキルの概要」、「JavaScript スイッチング特殊効果の概要」スキル"、" JavaScript 検索アルゴリズムのテクニックのまとめ"、"JavaScript アニメーションの特殊効果とテクニックのまとめ"、"JavaScript のエラーとデバッグ テクニックのまとめ」、「JavaScript データ構造とアルゴリズム手法の概要」、「JavaScript トラバーサル アルゴリズムと手法の概要」、および「JavaScript 算術演算の使用法の概要」 「
この記事が JavaScript プログラミングのすべての人に役立つことを願っています。