some function about Date

1:getTime()

Grammar:dateObject.getTime()

This function returns the number of milliseconds from 1970.1.1 00:00:00.000 to today.

2:getFullYear()

Grammar:dateObject.getFullYear()

This function returns the year which is combined with four digits.

3:getMonth()

Grammar:dateObject.getMonth()

This function returns month,especially the return value is taken between 0 and 11.So you need add one to the month you get by using this function to get the correct month.

4:getDate()

Grammar:dateObject.getDate()

This function returns one day in a month.

5:getDay()

Grammar:dateObject.getDay()

This function returns one day in a week.

Attention:Sometimes we may misuse function getDay() instead of getDate()!