@stdlib/utils/type-of/docs/repl.txt

Standard utilities.

{{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 {{alias:@stdlib/number/ctor}}( 5 ) )
    'number'
    > t = {{alias}}( new {{alias:@stdlib/boolean/ctor}}( false ) )
    'boolean'
    > t = {{alias}}( new Array() )
    'array'
    > t = {{alias}}( new {{alias:@stdlib/object/ctor}}() )
    '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
    --------