Methods
(static) isEven(num) → {boolean}
Check if a number is even
Example
Number.isEven(2);
//true
Parameters:
Name | Type | Description |
---|---|---|
num |
number |
Returns:
- Type
- boolean
(static) isMinusZero(num) → {boolean}
Check if negative zero
Example
Number.isMinusZero(-0);
//true
Parameters:
Name | Type | Description |
---|---|---|
num |
number |
Returns:
- Type
- boolean
(static) isNumeric(num) → {boolean}
Check if input is legal numeric
Example
Number.isNumeric("2");
//true
Parameters:
Name | Type | Description |
---|---|---|
num |
* |
Returns:
- Type
- boolean
(static) isPOT(num) → {boolean}
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}
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}
Check if two numbers have same signs
Example
Number.isSameSign(-4, -5);
//true
Parameters:
Name | Type | Description |
---|---|---|
num1 |
number | |
num2 |
number |
Returns:
- Type
- boolean