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is-array-buffer

Is this value a JS ArrayBuffer?

• javascript
• ecmascript
• is
• arraybuffer
• array
• buffer

ljharb

published 3.0.4 • 10 months agopublished version 3.0.4, 10 months ago

is-shared-array-buffer

Is this value a JS SharedArrayBuffer?

• javascript
• ecmascript
• is
• sharedarraybuffer
• shared
• array
• buffer

ljharb

published 1.0.3 • 9 months agopublished version 1.0.3, 9 months ago

is-negative-zero

Is this value negative zero? === will lie to you

• is
• negative
• zero
• negative zero
• number
• positive
• 0
• -0

ljharb

published 2.0.3 • 9 months agopublished version 2.0.3, 9 months ago

is-typed-array

Is this value a JS Typed Array? This module works cross-realm/iframe, does not depend on `instanceof` or mutable properties, and despite ES6 Symbol.toStringTag.

• array
• TypedArray
• typed array
• is
• typed
• Int8Array
• Uint8Array
• Uint8ClampedArray
• Int16Array
• Uint16Array
• Int32Array
• Uint32Array
• Float32Array
• Float64Array
• View more

ljharb

published 1.1.13 • 10 months agopublished version 1.1.13, 10 months ago

is-number

Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.

• cast
• check
• coerce
• coercion
• finite
• integer
• is
• isnan
• is-nan
• is-num
• is-number
• isnumber
• isfinite
• istype
• View more

jonschlinkert

published 7.0.0 • 6 years agopublished version 7.0.0, 6 years ago

is-set

Is this value a JS Set? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

• map
• set
• collection
• is
• robust

ljharb

published 2.0.3 • 8 months agopublished version 2.0.3, 8 months ago

is-map

Is this value a JS Map? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

• map
• set
• collection
• is
• robust

ljharb

published 2.0.3 • 8 months agopublished version 2.0.3, 8 months ago

is-plain-object

Returns true if an object was created by the `Object` constructor, or Object.create(null).

• check
• is
• is-object
• isobject
• javascript
• kind
• kind-of
• object
• plain
• type
• typeof
• value

trysound

published 5.0.0 • 4 years agopublished version 5.0.0, 4 years ago

is-weakmap

Is this value a JS WeakMap? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

• map
• weakmap
• set
• weakset
• collection
• is
• robust

ljharb

published 2.0.2 • 8 months agopublished version 2.0.2, 8 months ago

is-weakset

Is this value a JS WeakSet? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

• map
• weakmap
• set
• weakset
• collection
• is
• robust

ljharb

published 2.0.3 • 8 months agopublished version 2.0.3, 8 months ago

@sindresorhus/is

Type check values

• type
• types
• is
• check
• checking
• validate
• validation
• utility
• util
• typeof
• instanceof
• object
• assert
• assertion
• View more

sindresorhus

published 7.0.1 • 3 months agopublished version 7.0.1, 3 months ago

is-accessor-descriptor

Returns true if a value has the characteristics of a valid JavaScript accessor descriptor.

• accessor
• check
• data
• descriptor
• get
• getter
• is
• keys
• object
• properties
• property
• set
• setter
• type
• View more

ljharb

published 3.0.5 • a year agopublished version 3.0.5, a year ago

is-data-descriptor

Returns true if a value has the characteristics of a valid JavaScript data descriptor.

• accessor
• check
• data
• descriptor
• get
• getter
• is
• keys
• object
• properties
• property
• set
• setter
• type
• View more

ljharb

published 2.1.3 • a year agopublished version 2.1.3, a year ago

object-is

ES2015-compliant shim for Object.is - differentiates between -0 and +0

• is
• Object.is
• equality
• sameValueZero
• ES6
• ES2015
• shim
• polyfill
• es-shim API

ljharb

published 1.1.6 • 9 months agopublished version 1.1.6, 9 months ago

is-regex

Is this value a JS regex? Works cross-realm/iframe, and despite ES6 @@toStringTag

• regex
• regexp
• is
• regular expression
• regular
• expression

ljharb

published 1.1.4 • 3 years agopublished version 1.1.4, 3 years ago

is-bigint

Is this value an ES BigInt?

• bigint
• es
• integer
• is

ljharb

published 1.0.4 • 3 years agopublished version 1.0.4, 3 years ago

is-plain-obj

Check if a value is a plain object

• object
• is
• check
• test
• type
• plain
• vanilla
• pure
• simple

sindresorhus

published 4.1.0 • 2 years agopublished version 4.1.0, 2 years ago

is-descriptor

Returns true if a value has the characteristics of a valid JavaScript descriptor. Works for data descriptors and accessor descriptors.

• accessor
• check
• data
• descriptor
• get
• getter
• is
• keys
• object
• properties
• property
• set
• setter
• type
• View more

ljharb

published 3.1.1 • a year agopublished version 3.1.1, a year ago

kind-of

Get the native type of a value.

• arguments
• array
• boolean
• check
• date
• function
• is
• is-type
• is-type-of
• kind
• kind-of
• number
• object
• of
• View more

doowb

published 6.0.3 • 5 years agopublished version 6.0.3, 5 years ago

isobject

Returns true if the value is an object and not an array or null.

• check
• is
• is-object
• isobject
• kind
• kind-of
• kindof
• native
• object
• type
• typeof
• value

trysound

published 4.0.0 • 6 years agopublished version 4.0.0, 6 years ago