当前位置: 首页 > 图文教程 > 网络编程 > Javascript > 一个不错的可以检测多中浏览器的函数和其它功能

Javascript
JavaScript DOM学习第八章 表单错误提示
JavaScript DOM 学习第九章 选取范围的介绍
JavaScript CSS修改学习第一章 查找位置
JavaScript CSS修改学习第二章 样式
JavaScript CSS修改学习第三章 修改样式表
JavaScript CSS 修改学习第四章 透明度设置
JavaScript CSS修改学习第五章 给“上传”添加样式
JavaScript CSS修改学习第六章 拖拽
Jquery乱码的一次解决过程 图解教程
javascript 包裹节点 提高效率
javascript inneHTML的地雷
javascript 定义新对象方法
判定对象是否为window的js代码
jquery validator 插件增加日期比较方法
jquery 得到当前页面高度和宽度的两个函数
JavaScript 编写匿名函数的几种方法
jQuery 操作下拉列表框实现代码
jQuery入门问答 整理的几个常见的初学者问题
第一个JavaScript入门基础 document.write输出
javascript入门基础之私有变量

Javascript 中的 一个不错的可以检测多中浏览器的函数和其它功能


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-09-12   浏览: 99 ::
收藏到网摘: n/a

//Examine the browser 检测浏览器的函数
var userAgent = navigator.userAgent.toLowerCase();
var is_opera = (userAgent.indexOf('opera') != -1);
var is_saf = ((userAgent.indexOf('applewebkit') != -1) || (navigator.vendor == 'Apple Computer, Inc.'));
var is_webtv = (userAgent.indexOf('webtv') != -1);
var is_ie = ((userAgent.indexOf('msie') != -1) && (!is_opera) && (!is_saf) && (!is_webtv));
var is_ie4 = ((is_ie) && (userAgent.indexOf('msie 4.') != -1));
var is_moz = ((navigator.product == 'Gecko') && (!is_saf));
var is_kon = (userAgent.indexOf('konqueror') != -1);
var is_ns = ((userAgent.indexOf('compatible') == -1) && (userAgent.indexOf('mozilla') != -1) && (!is_opera) && (!is_webtv) && (!is_saf));
var is_ns4 = ((is_ns) && (parseInt(navigator.appVersion) == 4));
var is_mac = (userAgent.indexOf('mac') != -1);
//Global registers
var currentblogid;
var currentstarid;
var currentcommentid;
var switchcomandmes;
var securitycodejs=null;
var onetimecounter=1;
//Get absolute path, fix bug of IE when base path is set
var gotourl = location.href;
var absbaseurl;
var abspath;
var r_identifier=gotourl.lastIndexOf("/read.php/");
var r_identifier2=gotourl.lastIndexOf("/post/");
var r_identifier3=gotourl.lastIndexOf("/tag/");
if (r_identifier==-1) {
r_identifier=r_identifier2;
}
if (r_identifier==-1) {
r_identifier=r_identifier3;
}
if (r_identifier!=-1) {
absbaseurl = gotourl.substr(0, r_identifier)+"/";
var simplegotourl=absbaseurl.replace("http://", '');
r_identifier2=simplegotourl.indexOf("/");
abspath=simplegotourl.substr(r_identifier2+1);
} else {
absbaseurl='';
abspath=null;
}
//Is Ajax supported?
if ((is_ie & !is_ie4) || is_moz || is_saf || is_opera) var shutajax=0;
else var shutajax=1;
//For firefox, tell Firefox not to display the content you input in last session
if (is_moz) {
var tmp_c=document.getElementById('v_content');
if (tmp_c) tmp_c.value='';
}
//Show/Hide a DIV
function showhidediv(id){
try{
var panel=document.getElementById(id);
if(panel){
if(panel.style.display=='none'){
panel.style.display='block';
}else{
panel.style.display='none';
}
}
}catch(e){}
}
function addhtml (id, htmlcode, uniqueid) {
var panel=document.getElementById(id);
var hiddenpannel=document.getElementById(uniqueid);
if(panel){
hiddenpannel.value='';
hiddenpannel.value=panel.innerHTML;
panel.innerHTML=hiddenpannel.value+htmlcode;
hiddenpannel.value+=htmlcode;
}
}
function showadminreply (divid) {
switchcomandmes='reply';
var cleanid=divid.replace('com_', '');
var inputcontent="<form action='"+absbaseurl+"admin.php?go=reply_addadminreply_"+cleanid+"' method='post' id='formadminreply"+cleanid+"'>";
inputcontent+=jslang[0]+"<br/><textarea cols='66' rows='3' name='adminreplycontent' id='adminreplycontent"+cleanid+"'></textarea><br/>";
inputcontent+="<input type='button' onclick=\"ajax_adminreply('"+cleanid+"'); return false;\" value='"+jslang[1]+"' class='button'/> <input type='reset' value='"+jslang[2]+"' class='button'/> <input type='button' value='"+jslang[3]+"' onclick=\"hideadminreply('"+divid+"');\" class='button'/></form>";
document.getElementById(divid).innerHTML=inputcontent;
document.getElementById(divid).style.display='block';
}
function showadminreplyformessage (divid) {
switchcomandmes='message';
var cleanid=divid.replace('com_', '');
var inputcontent="<form action='"+absbaseurl+"admin.php?go=message_addadminreply_"+cleanid+"' method='post' id='formadminreply"+cleanid+"'>";
inputcontent+=jslang[0]+"<br/><textarea cols='66' rows='3' name='adminreplycontent' id='adminreplycontent"+cleanid+"'></textarea><br/>";
inputcontent+="<input type='button' onclick=\"ajax_adminreply('"+cleanid+"'); return false;\" value='"+jslang[1]+"' class='button'/> <input type='reset' value='"+jslang[2]+"' class='button'/> <input type='button' value='"+jslang[3]+"' onclick=\"hideadminreply('"+divid+"');\" class='button'/></form>";
document.getElementById(divid).innerHTML=inputcontent;
document.getElementById(divid).style.display='block';
}
function hideadminreply (divid) {
document.getElementById(divid).innerHTML='';
document.getElementById(divid).style.display='none';
}
function showdelblog(blogid) {
var urldel=absbaseurl+"admin.php?go=entry_deleteblog_"+blogid+'';
if(confirm(jslang[4])){
window.location=urldel;
}
else {
return;
}
}
function comfirmurl(urldel) {
if(confirm(jslang[5])){
window.location=absbaseurl+urldel;
}
else {
return;
}
}
function showdeladminreply(repid) {
var urldel=absbaseurl+"admin.php?go=reply_deladminreply_"+repid+'';
if(confirm(jslang[6])){
if (shutajax==1) window.location=urldel;
else {
urldel+="&ajax=on";
currentcommentid=repid;
makeRequest(urldel, 'quickdeladminreply', 'GET', null);
}
}
else {
return;
}
}
function showdeladminreplyformessage(repid) {
var urldel=absbaseurl+"admin.php?go=message_deladminreply_"+repid+'';
if(confirm(jslang[7])){
if (shutajax==1) window.location=urldel;
else {
urldel+="&ajax=on";
currentcommentid=repid;
makeRequest(urldel, 'quickdeladminreply', 'GET', null);
}
}
else {
return;
}
}
function showdelreply(repid, blogid) {
var urldel=absbaseurl+"admin.php?go=reply_delreply_"+repid+'-'+blogid;
if(confirm(jslang[8])){
if (shutajax==1) window.location=urldel;
else {
urldel+="&ajax=on";
currentcommentid=repid;
makeRequest(urldel, 'quickdelreply', 'GET', null);
}
}
else {
return;
}
}
function showdelreplyformessage(repid) {
var urldel=absbaseurl+"admin.php?go=message_delreply_"+repid;
if(confirm(jslang[9])){
if (shutajax==1) window.location=urldel;
else {
urldel+="&ajax=on";
currentcommentid=repid;
makeRequest(urldel, 'quickdelreply', 'GET', null);
}
}
else {
return;
}
}
function showblockreply(repid, blogid) {
var urldel=absbaseurl+"admin.php?go=reply_block_"+repid+'-'+blogid;
if (shutajax==1) window.location=urldel;
else {
urldel+="&ajax=on";
currentcommentid=repid;
makeRequest(urldel, 'quickdelreply', 'GET', null);
}
}
function showblockmessage(repid) {
var urldel=absbaseurl+"admin.php?go=message_block_"+repid;
if (shutajax==1) window.location=urldel;
else {
urldel+="&ajax=on";
currentcommentid=repid;
makeRequest(urldel, 'quickdelreply', 'GET', null);
}
}
/* -- AJAX RELATED FUNCTIONS -- */
//Starring
function dostar(blogid) {
if (shutajax==0) {
gourl=absbaseurl+"admin.php?go=star&ajax=on&blogid="+blogid;
currentblogid=blogid;
currentstarid="starid"+blogid;
makeRequest(gourl, 'starblog', 'GET', null);
} else {
gourl=absbaseurl+"admin.php?go=star&ajax=off&blogid="+blogid;
window.location=gourl;
}
}
//Comment and Message
function ajax_submit (job) {
var stat_html = document.getElementById('stat_html').checked ? 1 : 0;
var stat_ubb = document.getElementById('stat_ubb').checked ? 1 : 0;
var stat_emot = document.getElementById('stat_emot').checked ? 1 : 0;
var stat_property = document.getElementById('stat_property').checked ? 1 : 0;
var v_replier = document.getElementById('v_replier').value+' ';
var v_repurl = document.getElementById('v_repurl').value;
var v_repemail = document.getElementById('v_repemail').value;
var v_content = document.getElementById('v_content').value+' ';
var v_password = document.getElementById('v_password').value;
var v_id = document.getElementById('v_id').value;
var v_reppsw = (document.getElementById('v_reppsw')) ? document.getElementById('v_reppsw').value : '';
var v_security_plus;
if (document.getElementById('v_security')) {
var v_security = document.getElementById('v_security').value;
if (v_security=='') {
alert(jslang[10]);
return false;
}
v_security_plus="&v_security="+v_security;
} else {
v_security_plus='';
}
if (v_replier=='' || v_content==''|| v_replier==' ' || v_content==' ' ) {
alert(jslang[11]);
return false;
}
document.getElementById('btnSubmit').value=jslang[12];
document.getElementById('btnSubmit').disabled='disabled';
if (shutajax==0) { //Currently for IE, Safari, Mozilla and Opera
v_replier = blogencode(v_replier);
v_repurl = blogencode(v_repurl);
v_repemail = blogencode(v_repemail);
v_content = blogencode(v_content);
v_password = blogencode(v_password);
v_id = blogencode(v_id);
v_reppsw = blogencode(v_reppsw);
var postData = "unuse=unuse&onetimecounter="+onetimecounter+"&v_id="+v_id+"&v_replier="+v_replier+"&v_password="+v_password+"&v_repurl="+v_repurl+"&v_repemail="+v_repemail+"&v_content="+v_content+"&stat_html="+stat_html+"&stat_ubb="+stat_ubb+"&stat_emot="+stat_emot+"&v_reppsw="+v_reppsw+"&stat_property="+stat_property+v_security_plus;
var gourl=absbaseurl+"visit.php?ajax=on&job="+job;
makeRequest(gourl, 'quickreply', 'POST', postData);
} else {
document.getElementById('visitorinput').submit();
}
}
//Ctrl+Enter key submitting (Textarea)
function ctrlenterkey (eventobject){
if(eventobject.ctrlKey && eventobject.keyCode==13) {
document.getElementById("btnSubmit").click();
}
}
//Admin reply
function ajax_adminreply (commentid) {
if (shutajax==0) {
var admid='adminreplycontent'+commentid;
var adminreplycontent = blogencode(document.getElementById(admid).value);
var postData = "unuse=unuse&adminreplycontent="+adminreplycontent;
var gourl=absbaseurl+"admin.php?ajax=on&go="+switchcomandmes+"_addadminreply_"+commentid;
currentcommentid=commentid;
makeRequest(gourl, 'quickadminreply', 'POST', postData);
} else {
var admid='formadminreply'+commentid;
document.getElementById(admid).submit();
}
}
function ajax_adminreply_edit (commentid, rptype) {
switchcomandmes=rptype;
ajax_adminreply(commentid);
}

function ajax_editcomment(repid, submitaction, onetimecounter) {
var admid='editcomcontent'+repid;
var v_content = blogencode(document.getElementById(admid).value);
var editjob=(submitaction=='reply') ? 'editreply' : 'editmessage';
var postData = "unuse=unuse&onetimecounter="+onetimecounter+"&v_content="+v_content;
var gourl=absbaseurl+"visit.php?ajax=on&go="+editjob+"&repid="+repid;
currentcommentid=repid;
makeRequest(gourl, 'quickeditcomment', 'POST', postData);
}

//encode string
function blogencode (str) {
str=encodeURIComponent(str);
if (is_moz) str=str.replace(/%0A/g, "%0D%0A"); //In IE, a new line is encoded as \r\n, while in Mozilla it's \n
return str;
}
//Avatar Selection
function changeavatar (slname, area) {
var current=document.getElementById(slname);
var realvalue=current.options[current.selectedIndex].value;
var areashow=document.getElementById(area);
if (areashow) {
if (realvalue!='' && realvalue!=null) {
areashow.innerHTML="<img src='images/avatars/"+realvalue+"' alt=''/>";
}
else {
areashow.innerHTML=jslang[13];
}
}
}
//Insert Emots
function insertemot (emotcode) {
var current=document.getElementById('v_content');
var emot="[emot]"+emotcode+"[/emot]";
if (current) {
if (current.value!='' && current.value!=null) {
current.value+=emot;
}
else {
current.value=emot;
}
document.getElementById('v_content').focus();
}
}
// Show/Hide Sidebar
function showHideSidebar(){
try{
var objSidebar=document.getElementById("sidebar");
var objContent=document.getElementById("content");
if(objSidebar.className!="sidebar-hide"){
objSidebar.className="sidebar-hide";
objSidebar.style.display="none";
objContent.className="content-wide";
setCookie('sidebaroff', 1,null, null, null, false);
}else{
objSidebar.className="sidebar";
objSidebar.style.display="block";
objContent.className="content";
setCookie('sidebaroff', 0,null, null, null, false);
}
}catch(e){}
}
function loadSidebar(){
try{
var objSidebar=document.getElementById("sidebar");
var objContent=document.getElementById("content");
var sidebaroff=getCookie ('sidebaroff');
if(sidebaroff==1){
objSidebar.className="sidebar-hide";
objSidebar.style.display="none";
objContent.className="content-wide";
}else{
objSidebar.className="sidebar";
objSidebar.style.display="block";
objContent.className="content";
}
}catch(e){}
}


//Media Link
function playmedia(strID,strType,strURL,intWidth,intHeight) {
var objDiv=document.getElementById(strID);
if (!objDiv) return false;
if (objDiv.style.display!='none') {
objDiv.innerHTML='';
objDiv.style.display='none';
} else {
objDiv.innerHTML=makemedia(strType,strURL,intWidth,intHeight,strID);
objDiv.style.display='block';
}
}
//Media Build
function makemedia (strType,strURL,intWidth,intHeight,strID) {
var strHtml;
switch(strType) {
case 'wmp':
strHtml="<object width='"+intWidth+"' height='"+intHeight+"' classid='CLSID:6BF52A52-394A-11d3-B153-00C04F79FAA6'><param name='url' value='"+strURL+"'/><embed width='"+intWidth+"' height='"+intHeight+"' type='application/x-mplayer2' src='"+strURL+"'></embed></object>";
break;
case 'swf':
strHtml="<object classid='clsid:D27CDB6E-AE6D-11cf-96B8-444553540000' width='"+intWidth+"' height='"+intHeight+"'><param name='movie' value='"+strURL+"'/><param name='quality' value='high' /><embed src='"+strURL+"' quality='high' type='application/x-shockwave-flash' width='"+intWidth+"' height='"+intHeight+"'></embed></object>";
break;
case 'flv':
var FU = {movie:"images/others/mediaplayer.swf",width:intWidth,height:+intHeight,majorversion:"8",build:"0",bgcolor:"#FFFFFF",allowfullscreen:"true",flashvars:"file="+strURL+"&fullscreenpage=images/others/fullscreen.html&fsreturnpage="+location.href};UFO.create(FU, strID);
break;
case 'real':
strHtml="<object classid='clsid:CFCDAA03-8BE4-11cf-B84B-0020AFBBCCFA' width='"+intWidth+"' height='"+intHeight+"'><param name='src' value='"+absbaseurl+"inc/realplay.php?link="+strURL+"' /><param name='controls' value='Imagewindow' /><param name='console' value='clip1' /><param name='autostart' value='true' /><embed src='"+absbaseurl+"inc/realplay.php?link="+strURL+"' type='audio/x-pn-realaudio-plugin' autostart='true' console='clip1' controls='Imagewindow' width='"+intWidth+"' height='"+intHeight+"'></embed></object><br/><object classid='clsid:CFCDAA03-8BE4-11cf-B84B-0020AFBBCCFA' width='"+intWidth+"' height='44'><param name='src' value='"+absbaseurl+"inc/realplay.php?link="+strURL+"' /><param name='controls' value='ControlPanel' /><param name='console' value='clip1' /><param name='autostart' value='true' /><embed src='"+absbaseurl+"inc/realplay.php?link="+strURL+"' type='audio/x-pn-realaudio-plugin' autostart='true' console='clip1' controls='ControlPanel' width='"+intWidth+"' height='44'></embed></object>";
break;
}
return strHtml;
}
//Font size control
function doZoom(size) {
document.getElementById('zoomtext').style.fontSize=size+'px';
}

//Cookie
function setCookie(name,value,expiry,path,domain,secure) {
var nameString = name + "=" + value;
var expiryString = (expiry == null) ? "" : " ;expires = "+ expiry.toGMTString();
var pathString = (path == null) ? "" : " ;path = "+ path;
var domainString = (path == null) ? "" : " ;domain = "+ domain;
var secureString = (secure) ?";secure" :"";
document.cookie = nameString + expiryString + pathString + domainString + secureString;
}
function getCookie (name) {
var CookieFound = false;
var start = 0;
var end = 0;
var CookieString = document.cookie;
var i = 0;
while (i <= CookieString.length) {
start = i ;
end = start + name.length;
if (CookieString.substring(start, end) == name){
CookieFound = true;
break;
}
i++;
}
if (CookieFound){
start = end + 1;
end = CookieString.indexOf(";",start);
if (end < start) end = CookieString.length;
return unescape(CookieString.substring(start, end));
}
return "";
}
function deleteCookie(name) {
var expires = new Date();
expires.setTime (expires.getTime() - 1);
setCookie( name , "Delete Cookie", expires,null,null,false);
}
function refreshsecuritycode(areaid, inputid) {
if (document.getElementById(areaid)) {
var rnds=Math.random();
document.getElementById(areaid).innerHTML="<img src='inc/securitycode.php?rand="+rnds+"' alt=''/>";
}
if (document.getElementById(inputid)) document.getElementById(inputid).value='';
}
function ajax_login () {
if (shutajax==0) {
var username = blogencode(document.getElementById('username').value);
var password = blogencode(document.getElementById('password').value);
var tmpSavecookie;
for (var i=1; i<=5; i++) {
tmpSavecookie='savecookie'+i;
if (document.getElementById(tmpSavecookie).checked) {
var savecookie = blogencode(document.getElementById(tmpSavecookie).value);
break;
}
}
var postData = "unuse=unuse&username="+username+"&password="+password+"&savecookie="+savecookie;
if (document.getElementById('securitycode')) postData+="&securitycode="+blogencode(document.getElementById('securitycode').value);
var gourl=absbaseurl+"login.php?ajax=on&job=ajaxverify";
makeRequest(gourl, 'quicklogin', 'POST', postData);
}
}
function quicklogout() {
setCookie ('userid','',null,null, null, false);
setCookie ('userpsw','',null,null, null, false);
}
function quickremember() {
var v_replier = blogencode(document.getElementById('v_replier').value);
var v_repurl = blogencode(document.getElementById('v_repurl').value);
var v_repemail = blogencode(document.getElementById('v_repemail').value);
var dateObjexp= new Date();
dateObjexp.setSeconds(3600*24*365);
if (document.getElementById('stat_rememberme').checked) {
setCookie ('rem_v_replier', v_replier, dateObjexp, null, null, false);
setCookie ('rem_v_repurl', v_repurl, dateObjexp, null, null, false);
setCookie ('rem_v_repemail', v_repemail, dateObjexp, null, null, false);
setCookie ('rem_v_rememberme', '1', dateObjexp, null, null, false);
} else {
setCookie ('rem_v_replier', '', dateObjexp, null, null, false);
setCookie ('rem_v_repurl', '', dateObjexp, null, null, false);
setCookie ('rem_v_repemail', '', dateObjexp, null, null, false);
setCookie ('rem_v_rememberme', '0', dateObjexp, null, null, false);
}
}
function decodetburl (str, ishidden, uniqueid) {
var resultstr='';
if (ishidden==1) { //Hidden!
var randomnumber1=Math.floor(Math.random()*10+1);
var randomnumber2=Math.floor(Math.random()*10+1);
resultstr="<span id=\"showtbq"+uniqueid+"\">"+jslang[66]+" <span id=\"qa"+uniqueid+"\">"+randomnumber1+"</span> <strong>+</strong> <span id=\"qb"+uniqueid+"\">"+randomnumber2+"</span> <strong>=</strong> <input type='text' id='ans"+uniqueid+"' maxlength='2' size='2'/> <input type='button' onclick='submithiddentbanswer(\""+uniqueid+"\");' value='"+jslang[1]+"'/><span id=\"answertb"+uniqueid+"\" style=\"display: none;\">"+str+"</span></span>";
}
else {
var codestr;
codestr=str.split('%');
var seed=codestr[0];
for (var i=1; i<codestr.length; i++) {
resultstr+=String.fromCharCode(codestr[i]-seed);
}
}
return resultstr;
}
function submithiddentbanswer(uniqueid) {
var randomnumber1=(document.getElementById("qa"+uniqueid)) ? parseInt(document.getElementById("qa"+uniqueid).innerHTML) : 0;
var randomnumber2=(document.getElementById("qb"+uniqueid)) ? parseInt(document.getElementById("qb"+uniqueid).innerHTML) : 0;
var anssubmited=(document.getElementById("ans"+uniqueid)) ? parseInt(document.getElementById("ans"+uniqueid).value) : 0;
if (randomnumber1+randomnumber2!=anssubmited) alert (jslang[67]);
else {
var resultstr=(document.getElementById("answertb"+uniqueid)) ? document.getElementById("answertb"+uniqueid).innerHTML : null;
resultstr=decodetburl (resultstr, 0, 0);
if (document.getElementById("showtbq"+uniqueid)) document.getElementById("showtbq"+uniqueid).innerHTML=resultstr;
}
}
function getprotectedblog (blogid, way) {
var blogpsw=blogencode(document.getElementById('entrypsw'+blogid).value);
currentblogid=blogid;
var postData = "unuse=unuse&job=getcontentonly&way="+way+"&blogid="+blogid+"&blogpsw="+blogpsw;
if (shutajax==0) {
var gourl=absbaseurl+"visit.php?ajax=on";
makeRequest(gourl, 'quickgetprotectedblog', 'POST', postData);
}
}
function promptreppsw () {
var pswproperty=document.getElementById('stat_property');
if (!pswproperty) return;
else if (pswproperty.checked) {
var pswtxt=prompt(jslang[69],'');
if (pswtxt==null || pswtxt=='') {
pswproperty.checked='';
return;
} else {
if (pswtxt.length>12) {
alert(jslang[70]);
promptreppsw();
}
document.getElementById('v_reppsw').value=pswtxt;
}
} else {
document.getElementById('v_reppsw').value='';
}
}
function getprotectedreply (repid, way, onetimecounter) {
var reppsw=blogencode(document.getElementById('reppsw'+repid).value);
currentcommentid=repid;
var postData = "unuse=unuse&job=getreplyonly&way="+way+"&reppsw="+reppsw+"&repid="+currentcommentid+"&onetimecounter"+onetimecounter;
if (shutajax==0) {
var gourl=absbaseurl+"visit.php?ajax=on";
makeRequest(gourl, 'quickeditcomment', 'POST', postData);
}
}