href link target _blank code example
Example 1: link_to target blank
link_to "External link", "http://www.rubyonrails.org/", target: "_blank", rel: "nofollow"
# => <a href="http://www.rubyonrails.org/" target="_blank" rel="nofollow">External link</a>
Example 2: link_to target blank
link_to(body, url, html_options = {})
# url is a String; you can use URL helpers like
# posts_path
link_to(body, url_options = {}, html_options = {})
# url_options, except :method, is passed to url_for
link_to(options = {}, html_options = {}) do
# name
end
link_to(url, html_options = {}) do
# name
end