javaScript calculates the difference in days between two dates (sample code)_javascript skills

1: Calculate the number of days between two dates

For example:
str1 = "2002-01-20"
str2 = "2002-10-11"
How to use JavaScript to calculate the number of days between str1 and str2?

Copy code The code is as follows:

Calculate the difference in days

The 100 above represents the date 100 days later, you can modify it. Date.getTime() in JS can only support dates after 1970.01.01; and the month is 0 - 11, which is a bit different, so avoid it. Of course you can also calculate dates after a specific date.

Copy code The code is as follows: