JavaScript Number Methods

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Number Methods

The following table provides a list of all Number methods available in JavaScript.

isFinite()Checks whether a value is a finite number
isInteger()Checks whether a value is an integer
isNaN()Checks whether a value is Number.NaN
isSafeInteger()Checks whether a value is a safe integer
toExponential(x)Returns a string representing the number (x) in exponential notation
toFixed()Returns a string representing the number (x) in fixed-point notation.
toPrecision()Returns a string representing the number to x length
toString()Returns a string representing the specified object in the specified radix (base)
valueOf()Returns the primitive value of the specified object.


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