ie10
new Date(Date.parse("2013-07-30")) Tue Jul 30 08:00:00 UTC+0800 2013 new Date(Date.parse("2013-07-30 00:00:00")) Invalid Date
ie 7
new Date(Date.parse("2013-07-30")) NaN new Date(Date.parse("2013-07-30 00:00:00")) NaN
chrome
new Date(Date.parse("2013-07-30")) Tue Jul 30 2013 08:00:00 GMT+0800 (中国标准时间) new Date(Date.parse("2013-07-30 00:00:00")) Tue Jul 30 2013 00:00:00 GMT+0800 (中国标准时间)