DOMString
Invalid slug for templ/sidebar: conflicting/Web/JavaScript/Reference/Global_Objects/String
DOMString es un String UTF-16. Dado que JavaScript ya usa estos strings, se mapea DOMString directamente a String.
Pasarle null a un método o parámetro que acepte un DOMString suele convertirse a texto como null.
Especificaciones
No specification found
No specification data found for undefined.
Check for problems with this page or contribute a missing spec_url to mdn/browser-compat-data. Also make sure the specification is included in w3c/browser-specs.