JavaScript Clock Code Small analysis

Source: Internet
Author: User

Presumably everyone will write a JavaScript clock code, I will write a small example today:

<!DOCTYPE HTML><HTML>  <Head>    <MetaCharSet= "Utf-8">    <title>Small instances of JavaScript clocks</title><style>Div{width:200px;Height:100px;Border-radius:50px;Background-color:Pink;    }P{Font-weight:Bolder;Color:Purple;text-align:Center;position:relative;Top:40px;    }</style><Script>window.onload= functionmyFunction () {var Time=document.getElementById (" Time"); varN=NewDate (); Time.innerhtml=n.tolocaletimestring (); SetTimeout (MyFunction, +);};</Script>  </Head>  <Body>    <Div>      <PID= "Time"></P>    </Div>  </Body></HTML>        

You see the JavaScript code block, I'll explain.

window.onload//run the JS code after the page is loaded.

var n=new Date (); Create a new date

N.tolocaletimestring ();//convert date to String

SetTimeout (myfunction,1000);//Every 1000 milliseconds = 1 seconds run the code in the myFunction () function once

function myFunction () {return 5;} var a=myFunctionvar b=myFunction ();d ocument.write (a);d ocument.write (b); // You can try the above code, a and B are different

JavaScript Clock Code Small analysis

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