Basic HTML version of Foils prepared 3 March 99

Foil 62 Number Properties (cont'd)

From Overview of JavaScript I -- Basic Web Scripting Language CPS616 Technologies of the Information Age -- Spring Semester 99. by Geoffrey C. Fox (Tom Scavo)
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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