网络上有关火狐的扩展开发内容很少，我也是在找了好多资料的时候看到了这个开发手记，虽然介绍不是很复杂，但入门就已经够了。-The firefox extension of network development content rarely, I also is looking for a lot of material do you see this development record, although introduces not too complicated, but it has e