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Fx 152.0.1 scores 96/100 with the following failures (brackets are additions to the quote, only their contents are part of the syntax, but not the brackets themselves):

• Test 22: no exception for [document.]createElement('di<v'). That is, di<v is an invalid element name, but document.createElement parses di<v as if it be valid. I guess this is due to a change to document.createElement no more than 13 ya.
• Test 23: no exception for [document.]createElementNS('null', 'di<v'). Same as test 22, except for using document.createElementNS instead of document.createElement.
• Test 25: failed to raise exception. In the code, I found various messages that can be displayed depending on:
  • whether an exception occurred upon trying to call document.createDocumentType with arguments of "a:" and 2 empty strings (i. e., having no illegal character but being malformed). If no exception happens, "failed to raise exception" is the message (bold here as being the message shown here).
  • If an exception occurs:
    • whether the code of the exception is equal to its NAMESPACE_ERR property: if not, the message is wrong exception.
    • Otherwise: whether the exception has all constants (i. e., the INVALID_ACCESS_ERR property is 15). If it isn't, the message is "exceptions don't have all the constants".
• Test 35: expected '0' but got '1' - root element, with no parent node, claims to be a :first-child. This is an element-index-related message.

Alfa-ketosav (talk) 19:17, 21 June 2026 (UTC)Reply