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|
{{alias}}( value )
Determines a value's type.
The following values are not natively provided in older JavaScript engines:
- Map
- Set
- WeakMap
- WeakSet
- Symbol
Parameters
----------
value: any
Input value.
Returns
-------
out: string
The value's type.
Examples
--------
// Built-ins:
> var t = {{alias}}( 'a' )
'string'
> t = {{alias}}( 5 )
'number'
> t = {{alias}}( NaN )
'number'
> t = {{alias}}( true )
'boolean'
> t = {{alias}}( false )
'boolean'
> t = {{alias}}( null )
'null'
> t = {{alias}}( undefined )
'undefined'
> t = {{alias}}( [] )
'array'
> t = {{alias}}( {} )
'object'
> t = {{alias}}( function noop() {} )
'function'
> t = {{alias}}( Symbol( 'beep' ) )
'symbol'
> t = {{alias}}( /.+/ )
'regexp'
> t = {{alias}}( new String( 'beep' ) )
'string'
> t = {{alias}}( new Number( 5 ) )
'number'
> t = {{alias}}( new Boolean( false ) )
'boolean'
> t = {{alias}}( new Array() )
'array'
> t = {{alias}}( new Object() )
'object'
> t = {{alias}}( new {{alias:@stdlib/array/int8}}( 10 ) )
'int8array'
> t = {{alias}}( new {{alias:@stdlib/array/uint8}}( 10 ) )
'uint8array'
> t = {{alias}}( new {{alias:@stdlib/array/uint8c}}( 10 ) )
'uint8clampedarray'
> t = {{alias}}( new {{alias:@stdlib/array/int16}}( 10 ) )
'int16array'
> t = {{alias}}( new {{alias:@stdlib/array/uint16}}( 10 ) )
'uint16array'
> t = {{alias}}( new {{alias:@stdlib/array/int32}}( 10 ) )
'int32array'
> t = {{alias}}( new {{alias:@stdlib/array/uint32}}( 10 ) )
'uint32array'
> t = {{alias}}( new {{alias:@stdlib/array/float32}}( 10 ) )
'float32array'
> t = {{alias}}( new {{alias:@stdlib/array/float64}}( 10 ) )
'float64array'
> t = {{alias}}( new {{alias:@stdlib/array/buffer}}( 10 ) )
'arraybuffer'
> t = {{alias}}( new Date() )
'date'
> t = {{alias}}( new RegExp( '.+' ) )
'regexp'
> t = {{alias}}( new Map() )
'map'
> t = {{alias}}( new Set() )
'set'
> t = {{alias}}( new WeakMap() )
'weakmap'
> t = {{alias}}( new WeakSet() )
'weakset'
> t = {{alias}}( new Error( 'beep' ) )
'error'
> t = {{alias}}( new TypeError( 'beep' ) )
'typeerror'
> t = {{alias}}( new SyntaxError( 'beep' ) )
'syntaxerror'
> t = {{alias}}( new ReferenceError( 'beep' ) )
'referenceerror'
> t = {{alias}}( new URIError( 'beep' ) )
'urierror'
> t = {{alias}}( new RangeError( 'beep' ) )
'rangeerror'
> t = {{alias}}( new EvalError( 'beep' ) )
'evalerror'
> t = {{alias}}( Math )
'math'
> t = {{alias}}( JSON )
'json'
// Arguments object:
> function beep() { return arguments; };
> t = {{alias}}( beep() )
'arguments'
// Node.js Buffer object:
> t = {{alias}}( new {{alias:@stdlib/buffer/ctor}}( 10 ) )
'buffer'
// Custom constructor:
> function Person() { return this };
> t = {{alias}}( new Person() )
'person'
// Anonymous constructor:
> var Foo = function () { return this; };
> t = {{alias}}( new Foo() )
'' || 'foo'
See Also
--------
|
