simplelife7

window.addEventListener('pageshow', function(e) {
            if (e.persisted) {// 从缓存加载
                //...
            }
}, false);


//jquery中没有这个对象，需要用原生事件对象
$(window).bind("pageshow", function(event) {
    if (event.originalEvent.persisted) {

simplelife7

    		var _isSupport = function(prop){

				var div = document.createElement('div'), 
					vendors = 'Khtml O Moz Webkit'.split(' '), 
					len = vendors.length; 
					if ( prop in div.style ) return true; 
					if ('-ms-' + prop in div.style) return true; 
					prop = prop.replace(/^[a-z]/, function(val) { 
						return val.toUpperCase(); 
					}); 

simplelife7

//your object
 var o = { 
     foo:"bar",
     arr:[1,2,3],
     subo: {
         foo2:"bar2"
     }
 };
 
//called with every property and it's value

simplelife7

    //设置URL参数的方法  
      function setParmsValue(parms, parmsValue) {  
          var urlstrings = document.URL;  
          var args = GetUrlParms();  
          var values = args[parms];  
          //如果参数不存在，则添加参数         
          if (values == undefined) {  
              var query = location.search.substring(1); //获取查询串   
              //如果Url中已经有参数，则附加参数  
              if (query) {  

simplelife7

function getEnv(){
    var ua = navigator.userAgent.toLowerCase();
    if(/micromessenger(\/[\d\.]+)*/.test(ua)){
            return "weixin"
        }else if(/qq\/(\/[\d\.]+)*/.test(ua) || /qzone\//.test(ua)){
            return "qq";
        }else{
          return "web";
        }
  }

simplelife7

var arr = [ 
    {name:'hdj', age:28}, 
    {name:'yim', age:25}, 
    {name:'hdq', age:26},{name:'hdq', age:22},{name:'hdq', age:555},{name:'hdq', age:1111},{name:'hdq', age:99}
];




function arrSortByField(arr, field,order,primer){

simplelife7

//source:http://www.webhek.com/vendor-prefix/
//return: {dom: "WebKit", lowercase: "webkit", css: "-webkit-", js: "Webkit"}
var prefix = (function () {
  var styles = window.getComputedStyle(document.documentElement, ''),
    pre = (Array.prototype.slice
      .call(styles)
      .join('') 
      .match(/-(moz|webkit|ms)-/) || (styles.OLink === '' && ['', 'o'])
    )[1],
    dom = ('WebKit|Moz|MS|O').match(new RegExp('(' + pre + ')', 'i'))[1];

simplelife7

function $transJson2str(o) {
    if (o == undefined) {
        return "";
}
    var r = [];
    if (typeof o == "string") return "\"" + o.replace(/([\"\\])/g, "\\$1").replace(/(\n)/g, "\\n").replace(/(\r)/g, "\\r").replace(/(\t)/g, "\\t") + "\"";
    if (typeof o == "object") {
        if (o.nodeName){
            r.push(["document node", "nodeName:"+o.nodeName, "id:"+o.id, "class:"+o.className].join('-'));
            r = "{" + r.join() + "}";

simplelife7

function parseJSON( data ) {
    var // JSON RegExp
        rvalidchars = /^[\],:{}\s]*$/
        , rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g
        , rvalidescape = /\\(?:["\\\/bfnrt]|u[\da-fA-F]{4})/g
        , rvalidtokens = /"[^"\\\r\n]*"|true|false|null|-?(?:\d+\.|)\d+(?:[eE][+-]?\d+|)/g
        ;
    if ( window.JSON && window.JSON.parse ) {
        return window.JSON.parse( data );
    }

simplelife7

	// 时间倒数吸顶
	$.fn.smartFloat = function() {
		var position = function(element) {
		  var top = element.position().top, pos = element.css("position");
		  $(window).scroll(function() {
		      var scrolls = $(this).scrollTop();
		      if (scrolls > top) {
		          if (window.XMLHttpRequest) {
		              element.css({
		                  position: "fixed",