Basic HTML version of Foils prepared 16 June 98

Foil 54 Number Properties (cont'd)

From Overview of Advanced JavaScript -- Web Scripting Language CPS616 Technologies of the Information Age -- Spring Semester 98. by Tom Scavo,Geoffrey C. Fox
1 Number.NaN is returned by parseInt(...) and parseFloat(...) when the parsing operation fails
2 An attempt to divide by zero also returns Number.NaN
3 Test for Number.NaN using the global boolean function isNaN()
4 Note: NN2.0 and MSIE3.0 do not support Number.NaN!
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