1.   格式化时间
 function format(str,fmt) {

        var usedDate = new Date(usedDay);

        var o = {

            "M+": usedDate.getMonth() + 1, //月份

            "d+": usedDate.getDate(), //日

            "h+": usedDate.getHours(), //小时

            "m+": usedDate.getMinutes(), //分

            "s+": usedDate.getSeconds(), //秒

            "q+": Math.floor((usedDate.getMonth() + 3) / 3), //季度

            "S": usedDate.getMilliseconds() //毫秒

        };

        if (/(y+)/.test(fmt)) fmt = fmt.replace(RegExp.$1, (usedDate.getFullYear() + "").substr(4 - RegExp.$1.length));

        for (var k in o)

        if (new RegExp("(" + k + ")").test(fmt)) fmt = fmt.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length)));

        return fmt;

    }

    var pattern = "yyyy-MM-dd";

    var usedDay = 1454112000000;

    usedDate=format(usedDay,pattern);

var dialog = {

    title:'hi',

    show: function(){

        console.log(this.title);

    }

}

setTimeout(function(){

    dialog.show();

},5000)