Detailed JavaScript Date object (make a simple clock) _javascript tips

JS provides a date type to process the time and date. The date type has a series of methods for getting and setting date-time information. Here we have a simple
Summarize this date type.
I've probably looked at the date type method, and here's the following:

The above method to try it yourself, I just simple demo js the correct output format:

var today=new date ();//Create a Time Date object 
document.write (" 
 

The results of the output are:

See here I think of the computer with the local clock, click on the taskbar time, will pop up a clock:

       So since we know the date type in JS, whether we can display a local time and date clock on the Web page, because the learning of the JS known
less knowledge, I simply made a simple clock.
      gives the code:

<! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">  

Look at the results of the operation:

By creating a simple clock effect, learn JavaScript date objects, deepen the understanding of the Date object, hope to help everyone's learning.