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Siebel eScript Language Reference > Methods Reference > Data Querying Methods > Is NaN MethodThe Is NaN method determines if the value that the value argument contains is a number. It returns one of the following values:
If the value argument references an object, then the Is NaN method always returns true because an object reference is not a number. For more information on the number object, see NaN Numbers. FormatTable 101 describes the arguments for the Is NaN method. ExampleThe following examples use the Is NaN method: IsNaN("123abc") //returns true IsNaN("999888777123") //returns false IsNaN("The answer is 42") //returns true Related TopicsFor more information, see Is Finite Method. |
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