Methods
(static) acosh(_x) → {number}
The Math.acosh() function returns the hyperbolic arc-cosine of a number.
Parameters:
| Name | Type | Description |
|---|---|---|
_x |
number | The value to calculate the arc-cosine of. |
- Source:
Returns:
The hyperbolic arc-cosine.
- Type
- number
(static) asinh(_x) → {number}
The Math.asinh() function returns the hyperbolic arcsine of a number.
Parameters:
| Name | Type | Description |
|---|---|---|
_x |
number | The value to calculate the arcsine of. |
- Source:
Returns:
The hyperbolic arcsine.
- Type
- number
(static) atanh(_x) → {number}
The Math.atanh() function returns the hyperbolic arctangent of a number.
Parameters:
| Name | Type | Description |
|---|---|---|
_x |
number | The value to calculate the arctangent of. |
- Source:
Returns:
The hyperbolic arctangent.
- Type
- number
(static) cbrt(_x) → {number}
The Math.cbrt() function returns the cube root of a number.
Parameters:
| Name | Type | Description |
|---|---|---|
_x |
number | The number to get the cube root of. |
- Source:
Returns:
The cube root of the number
- Type
- number
(static) clz32(_x) → {number}
The Math.clz32() function returns the number of leading zero bits in the 32-bit binary representation of a number. "clz32" is short for CountLeadingZeroes32.
Parameters:
| Name | Type | Description |
|---|---|---|
_x |
number |
- Source:
Returns:
- Type
- number
(static) cosh(_x) → {number}
The Math.cosh() function returns the hyperbolic cosine of a number.
Parameters:
| Name | Type | Description |
|---|---|---|
_x |
number | The value to calculate the cosine of. |
- Source:
Returns:
The hyperbolic cosine.
- Type
- number
(static) expm1(_x) → {number}
The Math.expm1() function returns e^x - 1, where x is the argument, and e the base of the natural logarithms.
Parameters:
| Name | Type | Description |
|---|---|---|
_x |
number | The number. |
- Source:
Returns:
A number representing e^x - 1, where e is Euler's number and x is the argument.
- Type
- number
(static) hypot() → {number}
The Math.hypot() function returns the square root of the sum of squares of its arguments.
- Source:
Returns:
The square root of the sum of squares of its arguments.
- Type
- number
(static) imul(_a, _b) → {number}
The Math.imul() function returns the result of the C-like 32-bit multiplication of the two parameters.
Parameters:
| Name | Type | Description |
|---|---|---|
_a |
number | Operand A. |
_b |
number | Operand B. |
- Source:
Returns:
The result of the multiplication.
- Type
- number
(static) log1p(_x) → {number}
The Math.log1p() function returns the natural logarithm (base e) of 1 + a number.
Parameters:
| Name | Type | Description |
|---|---|---|
_x |
number | The value to get the logarithm of. |
- Source:
Returns:
The logarithm of 1 + _x.
- Type
- number
(static) log2(_x) → {number}
The Math.log2() function returns the base 2 logarithm of a number.
Parameters:
| Name | Type | Description |
|---|---|---|
_x |
number | The value to get the base 2 logarithm of. |
- Source:
Returns:
The base 2 logarithm of _x.
- Type
- number
(static) log10(_x) → {number}
The Math.log10() function returns the base 10 logarithm of a number. Note that this polyfill is subject to rounding errors.
Parameters:
| Name | Type | Description |
|---|---|---|
_x |
number | The value to get the base 10 logarithm of. |
- Source:
Returns:
The base 10 logarithm of _x.
- Type
- number
(static) sign(_x) → {number}
The Math.sign() function returns the sign of a number, indicating whether the number is positive, negative or zero.
Parameters:
| Name | Type | Description |
|---|---|---|
_x |
number | The number to check |
- Source:
Returns:
This function has 5 kinds of return values, 1, -1, 0, -0, NaN, which represent "positive number", "negative number", "positive zero", "negative zero" and NaN respectively.
- Type
- number
(static) sinh(_x) → {number}
The Math.sinh() function returns the hyperbolic sine of a number.
Parameters:
| Name | Type | Description |
|---|---|---|
_x |
number | The value to calculate the sine of. |
- Source:
Returns:
The hyperbolic sine.
- Type
- number
(static) tanh(_x) → {number}
The Math.tanh() function returns the hyperbolic tangent of a number.
Parameters:
| Name | Type | Description |
|---|---|---|
_x |
number | The value to calculate the tangent of. |
- Source:
Returns:
The hyperbolic tangent.
- Type
- number
(static) trunc(_x) → {number}
Unlike other three Math methods: Math.floor(), Math.ceil() and Math.round(), the way Math.trunc() works is very simple and straightforward, just truncate the dot and the digits behind it, no matter whether the argument is a positive number or a negative number.
Parameters:
| Name | Type | Description |
|---|---|---|
_x |
number | The number to truncate. |
- Source:
Returns:
The truncated number
- Type
- number