Undefined values: Difference between revisions

m
→‎{{header|Wren}}: Changed to Wren S/H
imported>Fth
m (→‎{{header|Wren}}: Changed to Wren S/H)
 
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In conditional expressions, ''null'' as well as the Boolean value ''false'' are considered to be 'false'. All other values (including zero) are considered to be 'true'.
<syntaxhighlight lang="ecmascriptwren">var f = Fn.new {
System.print("'f' called.") // note no return value
}
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