SOURCE

var s = new Date();
var year = s.getFullYear();
var month = s.getMonth();
var day = s.getDay();
var hour = s.getHours();
var minute = s.getMinutes();
var second = s.getSeconds();
month = month<10?'0'+month:month;
day = day<10?'0'+day:day;
hour = hour<10?'0'+hour:hour;
minute = minute<10?'0'+minute:minute;
second = second<10?'0'+second:second;

console.log(year+'/'+month+'/'+day+' '+hour+':'+minute+':'+second);

/**Date.prototype.format = function(fmt) { 
     var o = { 
        "M+" : this.getMonth()+1,                 //月份 
        "d+" : this.getDate(),                    //日 
        "h+" : this.getHours(),                   //小时 
        "m+" : this.getMinutes(),                 //分 
        "s+" : this.getSeconds(),                 //秒 
        "q+" : Math.floor((this.getMonth()+3)/3), //季度 
        "S"  : this.getMilliseconds()             //毫秒 
    }; 
    if(/(y+)/.test(fmt)) {
            fmt=fmt.replace(RegExp.$1, (this.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 time1 = new Date().format("yyyy-MM-dd hh:mm:ss");
console.log(time1);*/