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JavaScript Number Object Reference


Number Object Methods

FF: Firefox, IE: Internet Explorer

Method Description FF IE
toExponential Convert the value of the object into an exponential notation 1.0 5.5
toFixed Round a Number to the specified number of decimals 1.0 5.5
toPrecision Converts the value of the object into an exponential notation if it has more digits than specified 1.0 5.5
toString Converts a Number object to string 1.0 4.0
valueOf Returns the primitive value of a Number object 1.0 4.0


Math Object Properties

Property Description FF IE
constructor A reference to the function that created the object 1.0 4.0
MAX_VALUE Largest number that is less than infinity 1.0 4.0
MIN_VALUE Smallest number that is greater than negative infinity 1.0 4.0
NaN Not a number 1.0 4.0
NEGATIVE_INFINITY Out of range negative number 1.0 4.0
POSITIVE_INFINITY Out of range positive number 1.0 4.0
prototype Allows you to add properties and methods to the object 1.0 4.0





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