xyqfer

var isOpera = !!window.opera || navigator.userAgent.indexOf(' OPR/') >= 0;
    // Opera 8.0+ (UA detection to detect Blink/v8-powered Opera)
var isFirefox = typeof InstallTrigger !== 'undefined';   // Firefox 1.0+
var isSafari = Object.prototype.toString.call(window.HTMLElement).indexOf('Constructor') > 0;
    // At least Safari 3+: "[object HTMLElementConstructor]"
var isChrome = !!window.chrome && !isOpera;              // Chrome 1+
var isIE = /*@cc_on!@*/false || document.documentMode;   // At least IE6

xyqfer

 $._getConnector = function() {
  	if ($._support.w3cXMLHTTP) {
			return new XMLHttpRequest();
		} else {
			return new ActiveXObject("Microsoft.XMLHTTP");
		}
	};

	$._configureConnector = function(connector, callback) {
		connector.onreadystatechange = function() {

xyqfer

function insertAfter(newChild,refChild){ 
    varparElem=refChild.parentNode; 
   if(parElem.lastChild==refChild){ 
       refChild.appendChild(newChild); 
   }else{ 
       parElem.insertBefore(newChild,refChild.nextSibling); 
    } 
}

xyqfer

#pics
{
    background:none;
    filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src="images/xx.png");
}

xyqfer

function setHomepage() {      if (document.all) { 
         document.body.style.behavior = 'url(#default#homepage)'; 
         document.body.setHomePage('http://www.jq-school.com') 
     } else if (window.sidebar) { 
         if (window.netscape) { 
             try { 
                 netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect") 
             } catch(e) { 
                 alert("该操作被浏览器拒绝，如果想启用该功能，请在地址栏内输入 about:config,然后将项 signed.applets.codebase_principal_support 值该为true") 
             } 

xyqfer

 function AddFavorite(sURL, sTitle) { 
     try { 
         window.external.addFavorite(sURL, sTitle) 
     } catch(e) { 
         try { 
             window.sidebar.addPanel(sTitle, sURL, "") 
         } catch(e) { 
             alert("加入收藏失败，请使用Ctrl+D进行添加") 
         } 
     } 

xyqfer

<meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no"> 
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> 
<meta name="HandheldFriendly" content="true">

xyqfer

::selection { 
    color: #000000; 
    background-color: #FF0000; 
 } 
  
 ::-moz-selection { 
    color: #000000; 
    background: #FF0000; 
 } 
 

xyqfer

/* Smartphones (portrait and landscape) ----------- */ 
 @media only screen 
 and (min-device-width : 320px) 
 and (max-device-width : 480px) { 
 /* Styles */ 
 } 
   
 /* Smartphones (landscape) ----------- */ 
 @media only screen 
 and (min-width : 321px) { 

xyqfer

html:first-child>b\ody Selector {
  property:value;
}
  		
@media all and (min-width:0) {
	Selector {
    property: value;
  }
}