Java Html&javascript interview question: Judging the second date is larger than the first date

Source: Internet
Author: User

How to use the script to determine the user input string is the following time format 2004-11-21 must ensure that the user input is this format, and is the time, such as the month is not greater than 12 and so on, in addition I need the user to enter two, and the latter one later than the previous night, only allowed to use JavaScript, Please give me a detailed answer,

Tip: Use regular expressions to determine the format in advance and then extract the contents of each time field

Write JS and HTML code

Java Html&javascript interview question: Judging the second date is larger than the first date

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