• Hixie's avatar
    Specs: Drop the concept of late-bound elements. An element can never be upgraded. · 1befcbfe
    Hixie authored
    This has the following implications:
    
     - There's no createElement() function any more. If you want to create
       an element from script, you have to use its constructor.
    
     - There's no async element registration. The parser will block until
       all the imports are imported when you use a tag name of a custom
       element that hasn't been registered yet, in case one of the imports
       defines it.
    
     - If you try to construct a non-registered element in markup, it
       turns into an <error> element.
    
     - <div>, <span>, and <error> are new built-in elements.
    
    R=esprehn@chromium.org
    
    Review URL: https://codereview.chromium.org/695423004
    1befcbfe
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