method
base
![Some documentation Importance_1](https://d2vfyqvduarcvs.cloudfront.net/images/importance_1.png?1349367920)
base(href = "")
public
Generate a Document Base URI element as a String.
href can either by a string, giving the base URL for the HREF attribute, or it can be a has of the element’s attributes.
The passed-in no-argument block is ignored.
base("http://www.example.com/cgi") # => "<BASE HREF=\"http://www.example.com/cgi\">"