Amazing Java Script Trick ~ must watch ~ you will 100% amazed

* Copy and paste the java script code in the following
red lines to the address bar of your browser

 javascript:function Shw(n) {if (self.moveBy) 

{for (i = 35; i > 0; i--) 

{for (j = n; j > 0; j--) {self.moveBy(1,i);

self.moveBy(i,0);self.moveBy(0,-i);

self.moveBy(-i,0); } } }} Shw(6)

2: Press enter and watch your window's "shaking it". 

You can change the value of i if you wish :-)