js 时间转换

(1).
function ChangeDateFormat(val)
{
var date = new Date(parseInt(val.replace("/Date(", "").replace(")/", ""), 10));
var month = date.getMonth() + 1 < 10 ? "0" + (date.getMonth() + 1) : date.getMonth() + 1;
var currentDate = date.getDate() < 10 ? "0" + date.getDate() : date.getDate();
return date.getFullYear() + "-" + month + "-" + currentDate;
}

(2)
var landTransDate = Xrm.Page.getAttribute("new_bargaindadte").getValue();//成交日期
landTransDate.format("yyyy/MM/dd");