Shulou(Shulou.com)06/01 Report--

This article introduces the relevant knowledge of "what are the basic functions of JavaScript". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

1. Time function Date

1 、 Date

In JavaScript, you use the Date () function to get the time.

Var date = new Date ()

2. Create a specified time object

You need to pass a string representing the time in the constructor as a parameter, the format of the date month / day / year: minutes: seconds

Var date2 = new Date ("11 Compact 2 Universe 20 21 18:15:00")

3. GetDate ()

Gets the number of days the current date object is.

4. GetDay ()

Gets the day of the week of the current date object and returns a value of 0-6. 0 means Sunday, 1 means Monday.

5. GetMonth ()

Gets the month of the current time object, 0 for January, 1 for February.

6. GetFullYear ()

Get year

7. GetTime ()

Gets the timestamp of the current date object.

Timestamp, which refers to the number of milliseconds spent from 00:00:00 GMT on January 1, 1970 to the current date (1 second = 1000 milliseconds), which is used by the underlying computer to save time.

8. Use timestamps to test the performance of code execution

Var start = Date.now ()

For (var iTunes 0; I

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.