JS to achieve two points between the method of drawing lines

The example of this article describes the method of JS to achieve two points between the drawing line. Share to everyone for your reference. The specific analysis is as follows:

Recently a bit boring, pondering for a long time, thought of a killing the idea of the times, that is, do the JS version of the repeatedly look.

Two points between the line is also just a look at the most basic function of a part, so I draw the line is only a polyline, but also only to the left fold, the following will be based on the point of view picture position to determine the direction of the line.

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 This is the

<! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">

The

wants this article to help you with your JavaScript programming.