Select elements by attributes with ":" (colon)

You need to escape the colon

document.querySelectorAll('[xml\\3A space]')

I used https://mothereff.in/css-escapes to get the code above :)

Escape the : by preceding it with a double backslash \\

document.querySelectorAll("[xml\\:space]")

See this:

https://bugzilla.mozilla.org/show_bug.cgi?id=883044

can also do

document.querySelectorAll('[id="xml:space"]')

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