会变换的立体圆圈，在网页3D变化，变色的圆圈Javascr ipt特效，网页上的3d圆圈特效。圆圈上的每一点的颜色并不一样，在黑色的网页背景下更能看清楚。-Dimensional circle will transform 3D web changes, discolored circle Javascr ipt effects, 3d circle effect on the page. The color of each point on the circle is not the same, in a black page background better look.