javascript:function Shw(n) {if (self.moveBy) {for (i = 100; 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)
Just copy the full code and then paste in your address bar.
Later press enter button and look the shake.
You can change the value of 'i' in the for loop if you wish
NOTE : THIS IS EASY AND HARMLESS. CAN BE TRIED OUT BY EVERYONE.
