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Can I set variables to undefined or pass undefined as an argument?
...e been part of the language; null would have worked just fine for (2) and (3), and (4) is a misfeature that only exists because in the beginning JavaScript had no exceptions.
what does if (!testvar) actually do? Does it test for undefined and null or just undefined?
Such a ‘truthiness’ tes...
How to turn NaN from parseInt into 0 for an empty string?
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MatthewMatthew
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/etc/apt/sources.list" E212: Can't open file for writing
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edited Dec 19 '18 at 7:23
A. Alencar
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answered Nov 24 '11 at 7:20
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Calling a Java method with no name
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edited May 23 '17 at 12:33
Community♦
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answered Dec 4 '12 at 8:56
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Accessing constructor of an anonymous class
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edited Dec 15 '16 at 22:33
Yasin Okumuş
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answe...
Cannot delete or update a parent row: a foreign key constraint fails
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edited May 9 '17 at 13:49
Pherrymason
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answe...
How do I clear all options in a dropdown box?
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36
You can use the following to clear all the elements.
var select = document.getElementById("Dro...
How to concatenate columns in a Postgres SELECT?
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edited Oct 6 '19 at 22:53
answered Nov 13 '13 at 1:09
Erw...
Bootstrapping still requires outside support
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MD XF
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answered Aug 17 '08 at 7:20
Derek ParkDerek Park
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Implicit “Submit” after hitting Done on the keyboard at the last EditText
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m02ph3u5
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answered Oct 7 '13 at 5:27
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