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global.isNaN()

syntax:

isNaN(number)

where:

number - a value to if it is not a number.

 

return:

boolean - true if number is not a number, else false.

 

description:

This method returns true if the parameter, number, evaluates to NaN, "Not a Number". Otherwise it returns false.

 

see:

global.isFinite()

 

example:

if (isNan(99)) Screen.writeln("Not a number");

 


global.getArrayLength()