Undefined values: Difference between revisions
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{{task|Programming language concepts}}For languages which have an explicit notion of an undefined value, identify and exercise those language's mechanisms for identifying and manipulating a variable's value's status as being undefined |
{{task|Programming language concepts}}For languages which have an explicit notion of an undefined value, identify and exercise those language's mechanisms for identifying and manipulating a variable's value's status as being undefined. |
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=={{header|ActionScript}}== |
=={{header|ActionScript}}== |