1、时间戳字符串转时间对象
var okkkk1 = new Date(1394218983000);
var okkkk2 = new Date(1394218983000);
var okkkk7 = new Date("January 12,2006 22:19:35");
var okkkk8 = new Date("January 13,2006 22:19:35");
2、字符串转时间戳
var dateStr = '2015-12-25 00:22:11'
function get_unix_time(dateStr)
{
var newstr = dateStr.replace(/-/g,'/');
var date = new Date(newstr);
var time_str = date.getTime().toString();
return time_str.substr(0, 10);
}