Anonymous user
Undefined values: Difference between revisions
JavaScript
Underscore (talk | contribs) m (→{{header|Haskell}}: "1/0" -> "1 `div` 0") |
(JavaScript) |
||
Line 17:
then if you make the mistake of writing your program such that it at some point requires the value of <code>resurrect 0</code>, you'll get the error message "I'm out of orange smoke!".
=={{header|JavaScript}}==
<lang javascript>
var a
typeof(a) == "undefined"
typeof(b) == "undefined"
{}.c == null
</lang>
=={{header|Perl}}==
| |||