79 lines
1.5 KiB
Plaintext
79 lines
1.5 KiB
Plaintext
|
|
{{alias}}( value )
|
|
Tests if a value is a triangular number.
|
|
|
|
Return values are not reliable for numbers greater than 1125899906842624.
|
|
|
|
Parameters
|
|
----------
|
|
value: any
|
|
Value to test.
|
|
|
|
Returns
|
|
-------
|
|
bool: boolean
|
|
Boolean indicating whether value is a triangular number.
|
|
|
|
Examples
|
|
--------
|
|
> var bool = {{alias}}( 36.0 )
|
|
true
|
|
> bool = {{alias}}( new Number( 36.0 ) )
|
|
true
|
|
> bool = {{alias}}( 3.14 )
|
|
false
|
|
> bool = {{alias}}( -5.0 )
|
|
false
|
|
> bool = {{alias}}( null )
|
|
false
|
|
|
|
|
|
{{alias}}.isPrimitive( value )
|
|
Tests if a value is a number primitive which is a triangular number.
|
|
|
|
Parameters
|
|
----------
|
|
value: any
|
|
Value to test.
|
|
|
|
Returns
|
|
-------
|
|
bool: boolean
|
|
Boolean indicating whether value is a number primitive which is a
|
|
triangular number.
|
|
|
|
Examples
|
|
--------
|
|
> var bool = {{alias}}.isPrimitive( 36.0 )
|
|
true
|
|
> bool = {{alias}}.isPrimitive( new Number( 36.0 ) )
|
|
false
|
|
|
|
|
|
{{alias}}.isObject( value )
|
|
Tests if a value is a number object having a value which is a triangular
|
|
number.
|
|
|
|
Parameters
|
|
----------
|
|
value: any
|
|
Value to test.
|
|
|
|
Returns
|
|
-------
|
|
bool: boolean
|
|
Boolean indicating whether value is a number object having a value which
|
|
is a triangular number.
|
|
|
|
Examples
|
|
--------
|
|
> var bool = {{alias}}.isObject( 36.0 )
|
|
false
|
|
> bool = {{alias}}.isObject( new Number( 36.0 ) )
|
|
true
|
|
|
|
|
|
See Also
|
|
--------
|
|
|