js几个不错的函数 $$()
2016-02-19 12:02
今天图老师小编给大家展示的是js几个不错的函数 $$()，精心挑选的内容希望大家多多支持、多多分享，喜欢就赶紧get哦！
function map(a,f){f(a);}
function getRand(a,b)
{
if(a)
{
b=b?b:0;
return Math.floor(Math.random()*a+b);
}else
{
a = new Date();
return d.getTime();
}
}
function $(a){document.write(a);}
function $$()
{
var elements = new Array();
for (var i = 0; i arguments.length; i++)
{
var element = arguments[i];
if (typeof element == 'string')
element = document.getElementById(element);
if (arguments.length == 1)
return element;
elements.push(element);
}
return elements;
}
function fGetCookie(name)
{
var cookieValue = "";
var search = name + "=";
if(document.cookie.length 0)
{
offset = document.cookie.indexOf(search);
if (offset != -1)
{
offset += search.length;
end = document.cookie.indexOf(";", offset);
if (end == -1) end = document.cookie.length;
cookieValue = unescape(document.cookie.substring(offset, end));
}
}
return cookieValue;
}
function J_get(name)
{
var js_get =self.window.document.location.href;
var start =js_get.indexOf(name + '=');
if (start == -1) return '';
var len = start + name.length + 1;
var end = js_get.indexOf('&',len);
if (end == -1) end = js_get.length;
return unescape(js_get.substring(len,end));
}
function writeCookie(name, value, hours)
{
var expire = "";
var domain = "; domain=jb51.net; path=/";
if(hours != "")
{
expire = new Date((new Date()).getTime() + hours * 60 * 60 * 1000);
expire = "; expires=" + expire.toGMTString();
}
document.cookie = name + "=" + escape(value) + domain;
}
function createXMLHttp()
{
var ret = null;
try {
ret = new ActiveXObject('Msxml2.XMLHTTP');
}
catch (e) {
try {
ret = new ActiveXObject('Microsoft.XMLHTTP');
}
catch (ee) {
ret = null;
}
}
if (!ret && typeof XMLHttpRequest != 'undefined')
ret = new XMLHttpRequest();
return ret;
}
function loadXmlToElement(fragment_url, element_id,mode,de)
{
var element = $$(element_id);
var xmlhttp = createXMLHttp();
var str;
xmlhttp.open("GET", fragment_url);
xmlhttp.onreadystatechange = function()
{
if (xmlhttp.readyState == 4 && xmlhttp.status == 200)
{
if(!mode)
{
str = xmlhttp.responseXML.getElementsByTagName("data")[0].childNodes[0].nodeValue;
if(!element.innerHTML)
{
try{
str = xmlhttp.responseXML.firstChild.childNodes[1].nodeValue;
}catch(e){}
}
}else if(mode == 'txt')
{
str = xmlhttp.responseText;
}
if(de) str = unescape(str);
element.innerHTML = str;
}
}
xmlhttp.send(null);
}
var oJson = new Object();
var fJson =
{
"data":{},//[0,y,yes,空值]:默认,[-1,n,no]:不运行flush(),
"file":{},//附加js代码文件
"str":{},//附加JS代码
"set":function(element,vars)
{
for(key in vars)
{
this[key][element] = vars[key];
}
},
"getSrc":function(element)
{
var rs = '';
if(this['data'][element])
{
if(this['data'][element] == 'n' || this['data'][element] == '-1' || this['data'][element] == 'no')
{
rs +='&gJsonData=n';
}
}
if(this['str'][element])
{
rs +='&gJsonDoStr='+escape(this['str'][element]);
}
if(this['file'][element])
{
rs +='&gJsonDoFile='+escape(this['file'][element]);
}
return rs;
},
"main":function(url,element,un)
{
un = un?un:0;
eval("oJson."+element+" = new fJson.__Json('"+url+"','"+element+"','"+un+"')" );
},
"__Json":function(url,element,un)
{
var a = document.getElementById("script_"+element)
if(!a)
{
a = document.createElement("script");
a.setAttribute("id","script_"+element);
}
a.un = un;
a.data = '';
a.src = url+((url.indexOf('?') == -1 )?'?':'&')+'gJson='+element+fJson.getSrc(element);
if(navigator.appVersion.indexOf("MSIE") == -1 )
{
document.getElementById(element).insertBefore(a,null);
}else
{
document.body.insertAdjacentElement("BeforeBegin",a);
}
return a;
},
"flush":function(element)
{
document.getElementById(element).innerHTML = (oJson[element].un)?unescape(oJson[element].data):oJson[element].data;
//oJson[element] = null;
}
}
/* 应用 */
function subPageSelect(b,e,d,a)//b开始 e结束 d默认 a动作
{
var shtml ='select '+a+'';
for(var i=b;i=e;i++)
{
shtml+='option value="'+i+'" '+(i==d?shtml+='selected':'')+''+i+'/option';
}
shtml+='/select';
return shtml;
}
function err(a,b,c)
{
if(b)
{
if(c)
{
a.src='http://www.jb51.net/space/imgs/all/thu_woman.gif';
}else
{
a.src='http://v.jb51.net:88/img/user_no_photo.gif';
}
}else
{
a.src='http://v.jb51.net:88/img/flv_no_photo.gif';
}
}
function img_onerr(a)
{
err(a);
}
function gowin(a)
{
document.location = a;
}
function CopyInBoard(hahaUrl,note)
{
note = note?note:'网址复制成功啦!';
window.clipboardData.setData('text',hahaUrl)
alert(note);
}
function fDoMask(a,f,s,c,p,color)//a元素 f刷新调函数 s样式 c内容 p透明度
{
a = $$(a);
p = p?p:75;
s = 'div style="'+(s?s:'text-align:center; margin-top:40px;')+'"'+(c?c:'img src="http://www.jb51.net/space/imgs/all/loading.gif" border="0"/ 数据加载中... ')+(f?'[a href="javascript:'+f+'"刷新/a]':'')+'/div';
color = color?color:'#FFFFFF';
if (a.innerHTML != "")
{
//window.onunload = fCheckStatus;
var objBrother = a.childNodes[0];
var b = document.createElement('DIV');
b.setAttribute('id','maskdiv');
b.style.textAlign = "center";
b.style.position = "absolute";
b.style.filter = "alpha(opacity="+p+")";
b.style.opacity = (p / 100);
b.style.MozOpacity = (p / 100);
b.style.KhtmlOpacity = (p / 100);
b.style.width = a['offsetWidth']+'px';
b.style.height = a['offsetHeight']+'px';
b.style.margin = "0px";
b.style.backgroundColor = color;
a.insertBefore(b,objBrother)
b.innerHTML = s;
}
}
function switchDisplay(obj1, obj2)
{
try
{
obj1 = $$(obj1);
obj2 = $$(obj2);
if(obj1.style.display=='')
{
obj1.style.display='none';
obj2.style.display='';
}
else
{
obj1.style.display='';
obj2.style.display='none';
}
}catch (ex)
{
}
}
function getFlashPlayer(vars,playUrl,id,w,h)
{
playUrl = playUrl?playUrl:'http://www.jb51.net/flashApp/56';
id = id?id:'siteFlvPlayer';
w = w?w:'440';
h = h?h:'371';
AC_FL_RunContent( 'codebase','http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,0,0','width',w,'height',h,'id',id,'src',playUrl,'flashvars',vars,'quality','high','scale','noscale','wmode','transparent','name',id,'salign','lt','pluginspage','http://www.macromedia.com/go/getflashplayer','movie',playUrl); //end AC code
}
function f_js_playObject(a,h,s,player)
{
h = 'www.jb51.net';//#..
player = player?player:'/flashApp/v_player_site_fp7_5.swf';
player = 'http://'+h+player;
s = s?s:' width="100%" height="100%" ';
var _into = "";
_into += 'div id="videoPlayer"';
_into += 'div id="PlayerInfo" style="color:#ffffff;font-weight:bold;text-align:center;display:none;"双击播放器屏幕或者点“全屏”可取消或恢复全屏/div';
_into += 'div id="flvPlayBack" class="normalSize"';
_into += 'object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" '+s+'';
_into += 'param name="allowScriptAccess" value="always" /';
_into += 'param name="movie" value="'+player+'" /';
_into += 'param name="quality" value="high" /';
_into += 'param name="bgcolor" value="#ffffff" /';
_into += 'param name="FlashVars" value="&'+a+'" /';
_into += 'embed src="'+player+'" flashvars="&'+a+'" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" align="middle" allowScriptAccess="sameDomain" type="application/x-shockwave-flash" '+s+'';
_into += '/embed';
_into += '/object' ;
_into += '/div/div';
_into += 'div id="maskForIe" style="lexrus:expression(this.style.width=document.body.parentNode.scrollWidth);aether:expression(this.style.height=document.body.parentNode.scrollHeight);display:none;background:#000;filter:alpha(opacity=70);position:absolute !important;left:0;top:0;width:100% !important;"/div';
_into += 'style#videoPlayer{margin:0;padding:0 !important;width:440px;height:371px;}#program_player td{padding:0 !important;}';
_into += '.maxmized{z-index:9999;margin:0;padding:0;position:absolute;left:0;top:0;width:100% !important;height:100% !important;filter:alpha(opacity=70);}';
_into += '.maxmized #flvPlayBack{width:580px !important;height:490px !important;}';
_into += '.maxmized #PlayerInfo{width:580px !important;}';
_into += '.normalSize{width:440px;height:371px;}#flvPlayBack{margin:auto;height:100%;}#PlayerInfo{width:440px;}/style';
_into += 'div style="text-align:center;margin-top:7px;margin-bottom:-8px;color:gray;" id="playerInfo1"如果不能正常播放，请点此a href="javascript:void(0);" onClick="switchDisplay('playerInfo1', 'playerInfo2');"查看详情/a/div';
_into += 'div style="background:#fffbee;border:2px solid #EDBB17;margin-right:4px;margin-top:7px;margin-bottom:-8px;padding:12px;display:none" id="playerInfo2"因以下情况，导致视频无法正常播放，请下载Flash8.0播放器。a href="http://v.jb51.net/flashApp/Flash_AX80.exe"点此下载/abr1.如果打开页面只有声音没有视频画面br2.播放器无法加载，出现“红X”br3.播放器可以加载，但提示版本过低！brbr非上述情况下出现无法播放时，请给我们反映！a href="http://bbs.jb51.net/view.html?url=http://bbs.jb51.net/data/841/841800.html?sid=11212" target="_blank"点此报告/abrbr[a href="javascript:void(0);" onClick="switchDisplay('playerInfo1', 'playerInfo2');"关闭详情/a]/div';
document.getElementById('js_playObject').innerHTML = _into;
FcheckZoom();
}
function zoomMovie(){
var objId='videoPlayer';
var videoObject=document.all?document.all[objId]:document.getElementById(objId);
var maskForIe=document.all?document.all['maskForIe']:document.getElementById('maskForIe');
var videoPlayBack=document.all?document.all['flvPlayBack']:document.getElementById('flvPlayBack');
var playerInfo=document.all?document.all['PlayerInfo']:document.getElementById('PlayerInfo');
var searchBox=document.all?document.all['nav_search_form']:document.getElementById('nav_search_form');
var isMaxmized=/.*maxmized.*/i.test(videoObject.className);
if(isMaxmized){
videoObject.className='normalSize';
videoObject.style.position='';
videoPlayBack.firstChild.BGCOLOR='ffffff';
playerInfo.style.display='none';
maskForIe.style.display='none';
searchBox.style.display='';
}else{
window.scrollTo(0,0);
videoObject.className='maxmized';
videoObject.style.position='absolute';
if(navigator.appName.lastIndexOf('Explorer')!=-1){
videoObject.style.left=(document.body.parentNode.scrollWidth-600)/2;
videoObject.style.top='30';
playerInfo.style.display='';
maskForIe.style.display='';
}
videoPlayBack.firstChild.BGCOLOR='000000';
}
videoObject.onclick=function(){zoomMovie()}
}
function FcheckZoom()
{
var a = J_get('fs');
if (a==1)
{
zoomMovie();
}
}
/* 菜单 */
var isOverMainMenu = false;
var isOverSortMenu = false;
function showMenu(id){
var a = document.getElementById("MainMenu").getElementsByTagName("a");
for(var i=0;ia.length;i++){
a[i].onmouseover = function() {
if(this.className!="active") this.className = "hover";
showSortMenu(this.id);
isOverMainMenu=true;
}
a[i].onmouseout = function() {
if(this.className!="active") this.className = "";
setTimeout("showSortMenu('"+id+"')", 400);
isOverMainMenu=false;
}
if(a[i].id == id) {
a[i].className = "active";
showSortMenu(id);
} else {
a[i].className = "";
}
}
}
function showSortMenu(id){
var a = document.getElementById("SortMenu");
a.onmouseover = function(){
isOverSortMenu=true;
}
a.onmouseout = function(){
isOverSortMenu=false;
}
if(!isOverSortMenu && !isOverMainMenu) {
var b = document.getElementById("SortMenu").getElementsByTagName("ul");
for(var i=0;ib.length;i++){
if(b[i].id == "SortMenu_"+id) {
b[i].className = "active";
} else {
b[i].className = "";
}
}
}
}
/*******************************/
var gLoginId = fGetCookie("member_id"); //登录用户ID
var gLoginHost = fGetCookie("host"); //登录主机名
var gLoginPass = fGetCookie("pass_hex"); //pass
var gLoginMember = fGetCookie("member_login"); //member_login
var gNewMail = fGetCookie("newmail"); //新邮件
var gKeepMail = fGetCookie("keepmail"); //是否检查邮件的标示
var gLoginUser = gLoginId.substring(0,gLoginId.indexOf("@")); //登录用户名
var gIsLogin = (gLoginHost != "" && gLoginUser != "" && gLoginPass !="" && gLoginMember != "")?true:false; //是否已经登录
var basedir = 'http://v.jb51.net:88/photo/';
var userDir = fCaculateUrl(gLoginUser);
function fIsLogin()
{
return (fGetCookie("host") != "" && fGetCookie("member_id") != "" && fGetCookie("pass_hex") !="" && fGetCookie("member_login") != "")?true:false;
}
function fCaculateUrl(userName)
{
var level1 = 0;
var level2 = 0;
var k = userName.length;
//var arr = new Array();
for(var i=0;ik;i++)
{
level1 += userName.charCodeAt(i)*i;
level2 += userName.charCodeAt(i)*(2*i+1);
}
level1 = level1 % 100;
level2 = level2 % 100;
return level1+'/'+level2;
}
document.domain = "jb51.net";
window.focus();
