The issues section is for bug reports and feature requests only. If you need help, please use stackoverflow.
How to report a bug?
The revision number of three.js
Tell us where did you observe the problem: your browser version, your operating system, your graphics card (for example Chrome 23.0.1271.95, Windows 7, Nvidia Quadro 2000M)
If you can, try to check your problem on multiple browsers / multiple computers (if you are on Windows, especially helpful is to compare ANGLE and OpenGL renderers)
Identify the problem. Saying "it doesn't work" doesn't help much.
A small testcase (big chance is that when you do this, you'll find the answer yourself).