Developer Resources
Number
Overview
A wrapper class for the numeric-typed data.
Base Class
Constructor
- Number()
 - Number(value : Number)
 
Arguments
- value
 - The value of the new Number object.
 
Methods
- Number.toExponential
 - Returns a string that represents the number in exponential notation.
 - Number.toFixed
 - Returns a string with a certain precision that represents the number.
 - Number.toLocaleString
 - Returns a string that represents the number in a local format.
 - Number.toPrecision
 - Returns a string that represents the number to a specified number of significant digits.
 - Number.toString
 - Returns a string that represents the number.
 - Number.valueOf
 - Returns the primitive number value represented by the number.
 
Inherited Methods
- Object.hasOwnProperty
 - Checks for the existence of an object property
 - Object.toLocaleString
 - Returns a string that represents the object.
 - Object.toString
 - Returns a string that represents the object.
 - Object.valueOf
 - Returns the 'primitive' value of the object.
 
Number.toExponential
- function Number.toExponential() : String
 - function Number.toExponential(digits : Number) : String
 
Arguments
- digits
 - The number of digits to be shown after the decimal point.
 
Returns
Returns a string that represents the number in exponential notation.
Description
Returns a string in exponential notation with one digit before the decimal point and the specified number of digits after the decimal point.
Number.toFixed
- function Number.toFixed() : String
 - function Number.toFixed(digits : Number) : String
 
Arguments
- digits
 - The number of digits to be shown after the decimal point.
 
Returns
Returns a string with a certain precision that represents the number.
Description
Returns a string that represents the number. Note: toFixed() does not use exponential notation and shows the number of digits after the decimal point. If no digits argument is specified, zero digits are shown.
Number.toLocaleString
- function Number.toLocaleString() : String
 
Returns
Returns a string that represents the number in a local format.
Description
Returns a string that represents the number in a local format.
Number.toPrecision
- function Number.toPrecision() : String
 - function Number.toPrecision(digits : Number) : String
 
Arguments
- digits
 - The number of significant digits to be shown in the output.
 
Returns
Returns a string that represents the number to a specified number of significant digits.
Description
Returns a string in fixed format to the specified number of significant digits. If the number of significant digits isn't specified, return the number in the same way as Number.toString().
Number.toString
- function Number.toString() : String
 - function Number.toString(base : Number) : String
 
Arguments
- base
 - The base in which the number is to be shown.
 
Returns
Returns a string that represents the number.
Description
Returns a string that represents the number in a given base. If base is omitted, then base 10 is used to create the string that represents the number.
Number.valueOf
- function Number.valueOf() : Number
 
Returns
Returns the primitive number value represented by the number.
Description
Returns the primitive number value represented by the number.

