I'll post a java one for you ..
If you want javascript, go to Baidu and search for it yourself. There are many.
Import java.awt.color;
Import java.util. *;
Import java.awt. *;
Import java.applet. *;
Implementation of Runnable by Common Class Clock Extension Applet
{
Thread timer = null
Label；;
int lastxs=50，lastys=30，lastxm=50，lastym=30，lastxh=50，lastyh = 30
Public void init ()
{
Label = new label ("");
set background(color . white)；
To add (a label);
}
Public blank paint (figure g)
{
int xh，yh，xm，ym，xs，ys，s，m，h，xcenter，ycenter
Date right now = new Date()；
string today = right now . tolocalestring()；
Label.setText (today);
s = right now . get seconds()；
m = right now . get minutes()；
h = right now . get hours()；
xcenter = 100；
ycenter = 80
xs =(int)(math . cos(s * 3. 14f/30-3. 14f/2)* 45+xcenter)；
ys =(int)(math . sin(s * 3. 14f/30-3. 14f/2)* 45+y center)；
XM =(int)(math . cos(m * 3. 14f/30-3. 14f/2)* 45+xcenter)；
ym =(int)(math . sin(m * 3. 14f/30-3. 14f/2)* 45+y center)；
xh =(int)(math . cos((h * 30+m * 2)* 3. 14f/ 180-3. 14f/2)* 30+xcenter)；
yh =(int)(math . sin((h * 30+m * 2)* 3. 14f/ 180-3. 14f/2)* 30+y center)；
G.setFont (new font ("TimesToman", font. Plain,14));
g . set color(color . orange)；
g.fill3DRect(xcenter-50，ycenter-50， 100， 100，true)；
g . set color(color . dark gray)；
G. pull the rope ("12", xcenter-5, ycenter-37);
g.drawString("3 "，xcenter+40，y center+3)；
G. pull the rope ("6", xcenter-3, ycenter+45);
G. pull the rope ("9", xcenter-45, y center+3);
g . set color(color . orange)；
If (xs! =lastxs||ys！ =lastys)
{
g.drawLine(xcenter，ycenter，lastxs，lastys)；
}
If (xm! =lastxm||ym！ =lastym)
{
g.drawLine(xcenter，ycenter- 1，lastxm，lastym)；
g.drawLine(xcenter- 1，ycenter，lastxm，lastym)；
}
if(xh！ =lastxh||yh！ =lastyh)
{
g.drawLine(xcenter，ycenter- 1，lastxh，last yh)；
g.drawLine(xcenter- 1，ycenter，lastxh，last yh)；
}
g . set color(color . red)；
g.drawLine(xcenter，ycenter，xs，ys)；
g.drawLine(xcenter，ycenter- 1，xm，ym)；
g.drawLine(xcenter- 1，ycenter，xm，ym)；
g.drawLine(xcenter，ycenter- 1，xh，yh)；
g.drawLine(xcenter- 1，ycenter，xh，yh)；
lastxs = xs
lastys = ys
lastxm = xm
lastym = ym
lastxh = xh
lastyh = yh
}
Public void start ()
{
if(timer==null)
{
Timer = new thread (this);
timer . start()；
}
}
Public invalid site ()
{
timer = null
}
Public invalid operation ()
{
While (timer! = empty)
{
attempt
{
thread . sleep( 1000)；
} catch(interrupted exception ie){ }
repaint()；
}
timer = null
}
Public void update (graph g)
{
Paint (gram);
}
}