Number

Number

Source:
All of functions that dealing with checking a number

Methods

(static) isEven(num) → {boolean}

Source:
Check if a number is even
Example
Number.isEven(2);
//true
Parameters:
Name Type Description
num number
Returns:
Type
boolean

(static) isMinusZero(num) → {boolean}

Source:
Check if negative zero
Example
Number.isMinusZero(-0);
//true
Parameters:
Name Type Description
num number
Returns:
Type
boolean

(static) isNumeric(num) → {boolean}

Source:
Check if input is legal numeric
Example
Number.isNumeric("2");
//true
Parameters:
Name Type Description
num *
Returns:
Type
boolean

(static) isPOT(num) → {boolean}

Source:
Check if number is power of 2
Example
Number.isPOT(4);
//true
Parameters:
Name Type Description
num number
Returns:
Type
boolean

(static) isPrime(num) → {boolean}

Source:
Check if a number is prime
Example
Number.isPrime(199);
//true
Parameters:
Name Type Description
num number
Returns:
Type
boolean

(static) isSameSign(num1, num2) → {boolean}

Source:
Check if two numbers have same signs
Example
Number.isSameSign(-4, -5);
//true
Parameters:
Name Type Description
num1 number
num2 number
Returns:
Type
boolean