oh-my-zsh/plugins/node/node.plugin.zsh

# Open the node api for your current version to the optional section.
# TODO: Make the section part easier to use.
function node-docs {
  # get the open command
  local open_cmd
  if [[ "$OSTYPE" = darwin* ]]; then
    open_cmd='open'
  else
    open_cmd='xdg-open'
  fi

  $open_cmd "http://nodejs.org/docs/$(node --version)/api/all.html#all_$1"
}