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documentBaseURI
public documentBaseURI : tinymce.util.URI
URI object to document configured for the TinyMCE instance.
Examples
// Get relative URL from the location of document_base_url
tinyMCE.activeEditor.documentBaseURI.toRelative('/somedir/somefile.htm');
// Get absolute URL from the location of document_base_url
tinyMCE.activeEditor.documentBaseURI.toAbsolute('somefile.htm');