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Editorial Team
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Asked: 2026-05-13T09:00:02+00:00

From firebug: >>> $(form#commentform).serialize(); username=&email=&comment=&verify= >>> $(#commentform).serialize(); >>> $(form#commentform) [form#commentform] >>> $(#commentform) [div#commentform] >>>

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From firebug:

>>> $("form#commentform").serialize();
"username=&email=&comment=&verify="
>>> $("#commentform").serialize();
""
>>> $("form#commentform")
[form#commentform]
>>> $("#commentform")
[div#commentform]
>>> $("#commentform").length
1

This is really weird,form#commentform works,but #commentform doesn’t,why?

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1 Answer

  1. Editorial Team

    You have two elements with the id commentform.
    This is invalid. $('#commentform') returns only the first one, which cannot be serialized.

    From the specs:

    Matches a single element with the given id attribute.

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