What does the firebug error $( mean? [closed]

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Usually, Firebug gives a half decent error message when something goes wrong or doesn't compile. In this case though, I am simply getting the following:

X: $(
$('#' + divName).emtpy(); 

The code is something like this:

// Some code that sets variable row_entry
// debugger;
$('#' + divName).emtpy();
$('#' + divName).append(row_entry);

When I uncomment the debugger, and look at it in Firebug, I can call the methods:

>>> $('#' + divName)
[tr#row_1]
>>> $('#' + divName).emtpy();
>>> $('#' + divName).append(row_entry);
[tr#row_1]

The row_entry is set initialized correctly, and this makes the webpage look as I desire, but Firebug throws this error on regular execution, and the same thing happens when I resume the code after the debugger testing. The page also does not load correctly when Firebug is not running.

Can someone please explain what is going on?

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As Paul in the comments has suggested as well....you've spelled empty incorrectly many times in your code.