无法在rails中找到javascript运行时，无法在windows上安装'therubyracer'gem

Question

C:\sites\srhapp>rails generate controller home index
C:/Ruby21/lib/ruby/gems/2.1.0/gems/execjs-2.5.2/lib/execjs/runtimes.rb:48:in `au
todetect': Could not find a JavaScript runtime. See https://github.com/rails/exe
cjs for a list of available runtimes. (ExecJS::RuntimeUnavailable)

这是我得到的错误消息。请帮助我。

Answer 1

安装nodejs。这可能对此有所帮助。

关注this。