var startPosition, endPosition, deltaX, deltaY, moveLength;
        $(".content").bind('touchstart', function(e){
            var touch = e.touches[0];
            startPosition = {
                x: touch.pageX,
                y: touch.pageY
            }
        }) .bind('touchmove', function(e){
            var touch = e.touches[0];
            endPosition = {
                x: touch.pageX,
                y: touch.pageY
            };

            deltaX = endPosition.x - startPosition.x;
            deltaY = endPosition.y - startPosition.y;
            moveLength = Math.sqrt(Math.pow(Math.abs(deltaX), 2) + Math.pow(Math.abs(deltaY), 2));
        }).bind('touchend', function(e){
            if(deltaX < 0) { // 向左划动
                console.log("向左划动");
            } else if (deltaX > 0) { // 向右划动
                console.log("向右划动");
            }
        });

$(function(){
  $.fn.funTime=function(msg){
    var data="";
    var _DOM=null;
    var funDom = function(dom){
      _DOM=dom;
      data=$(dom).attr("data-time");
      data = data.replace(/-/g,"/");
      data = Math.round((new Date(data)).getTime()/1000);
      var domTHML = '<em class="myday"></em><em class="split">天</em>'+
        '<em class="myhour"></em><em class="split">时</em>'+
        '<em class="mymin"></em><em class="split">分</em>'+
        '<em class="mysec"></em><em class="split">秒</em>';
      $(_DOM).append(domTHML);
      funMsg(msg);
    };
    var funMsg = function(msg){
      var	range  	= data-Math.round((new Date()).getTime()/1000),
        secday = 86400, sechour = 3600,
        days 	= parseInt(range/secday),
        hours	= parseInt((range%secday)/sechour),
        min		= parseInt(((range%secday)%sechour)/60),
        sec		= ((range%secday)%sechour)%60;
      if(hours < 10)
        hours = "0" + hours;
      if(min < 10)
        min = "0" + min;
      if(sec < 10)
        sec = "0" + sec;
      if(hours>0||min>0||sec>0){
        $(_DOM).find(".myday").html(days);
        $(_DOM).find(".myhour").html(hours);
        $(_DOM).find(".mymin").html(min);
        $(_DOM).find(".mysec").html(sec);
      }else{
        $(_DOM).hide();
        $(_DOM).after(msg);
      }
    };
    setInterval( funMsg,1000 );

    return this.each(function(){
      var $this = $(this);
      funDom($this);
    });
  }

  //应用
  $(".get-rt-time").each(function(){
    var msg='<div class="mask_end"><span>活动结束</span></div>';
    $(this).funTime(msg);
  });
});

$(function(){
  funTimeout(); //应用倒计时
})
//倒计时
var strTime = 10; //设置时间
var strTimeBox = $(".time-box"); //数字容器
function funTimeout() {
  strTimeBox.html(strTime); //显示数字
  strTime--;
  if (strTime == 0) {
    window.opener = null;
    window.location.href = "http://www.baidu.com/";
  }
  else {
    setTimeout("show()", 1000);
  }
}

//checkbox全选反选
function funCheckbox(){
  var intListAll, intListChecked;
  $(document).on("click","input[name='all']",function(){
    if($(this).is(":checked")){
      $("input[name='all']").prop("checked",true);
      $("input[name='list']").prop("checked",true);
    }else {
      $("input[name='all']").prop("checked",false);
      $("input[name='list']").prop("checked",false);
    }
  })
  intListAll = $("input[name='list']").length;//获取列表的个数
  $(document).on("click","input[name='list']",function(){
    intListChecked = $("input[name='list']:checked").length;
    if(intListChecked == intListAll){
      $("input[name='all']").prop("checked",true);
    }else {
      $("input[name='all']").prop("checked",false);
    }
  })
}

<textarea onpropertychange="if(value.length>100) value=value.substr(0,100)"></textarea>

function funTestarea(){
  var $testarea = $(".textarea textarea");
  var $b = $(".textarea b");
  $testarea.on("input propertychange",function(){
    var $this = $(this);
    var strNum = $.trim($this.val()).length;
    if(strNum>100){
      $(this).val($(this).val().substr(0,100));
    }else {
      $b.text(strNum);
    }
  });
}

//event.stopPropagation();
$("#div1").mousedown(function(event){
	event.stopPropagation();
})

$(function(){
	$('<div id="tip_box"></div>').appendTo(document.body);
	$(".mhover li").each(function (i) {
		$(this).mousemove(function (ev) {
			var str = $(this).data("ori");
			var box = $('#tip_box');
			box.show();
			box.html(str);
			var t = $(window).scrollTop();
			var x = ev.clientX - box.width() - 40;
			var y = ev.clientY + t - 15;
			box.css({ left: x, top: y });
		});
		$(this).mouseout(function () {
			$("#tip_box").hide();
		});
	});
})

var autoTextarea = function (elem, extra, maxHeight) {
	extra = extra || 0;
	var isFirefox = !!document.getBoxObjectFor || 'mozInnerScreenX' in window,
		isOpera = !!window.opera && !!window.opera.toString().indexOf('Opera'),
		addEvent = function (type, callback) {
			elem.addEventListener ?
				elem.addEventListener(type, callback, false) :
				elem.attachEvent('on' + type, callback);
		},
		getStyle = elem.currentStyle ? function (name) {
			var val = elem.currentStyle[name];

			if (name === 'height' && val.search(/px/i) !== 1) {
				var rect = elem.getBoundingClientRect();
				return rect.bottom - rect.top -
					parseFloat(getStyle('paddingTop')) -
					parseFloat(getStyle('paddingBottom')) + 'px';
			};

			return val;
		} : function (name) {
			return getComputedStyle(elem, null)[name];
		},
		minHeight = parseFloat(getStyle('height'));


	elem.style.resize = 'none';

	var change = function () {
		var scrollTop, height,
			padding = 0,
			style = elem.style;

		if (elem._length === elem.value.length) return;
		elem._length = elem.value.length;

		if (!isFirefox && !isOpera) {
			padding = parseInt(getStyle('paddingTop')) + parseInt(getStyle('paddingBottom'));
		};
		scrollTop = document.body.scrollTop || document.documentElement.scrollTop;

		elem.style.height = minHeight + 'px';
		if (elem.scrollHeight > minHeight) {
			if (maxHeight && elem.scrollHeight > maxHeight) {
				height = maxHeight - padding;
				style.overflowY = 'auto';
			} else {
				height = elem.scrollHeight - padding;
				style.overflowY = 'hidden';
			};
			style.height = height + extra + 'px';
			scrollTop += parseInt(style.height) - elem.currHeight;
			document.body.scrollTop = scrollTop;
			document.documentElement.scrollTop = scrollTop;
			elem.currHeight = parseInt(style.height);
		};
	};

	addEvent('propertychange', change);
	addEvent('input', change);
	addEvent('focus', change);
	change();
};