Function Object

Object(): any
Provides functionality common to all JavaScript objects.

Returns any
- Defined in node_modules/typescript/lib/lib.es5.d.ts:123
- Defined in node_modules/typescript/lib/lib.es5.d.ts:270
Object(value): any
Provides functionality common to all JavaScript objects.
Parameters
- value: any
Returns any
- Defined in node_modules/typescript/lib/lib.es5.d.ts:123
- Defined in node_modules/typescript/lib/lib.es5.d.ts:270

Properties

`Readonly` prototype

prototype: Object

A reference to the prototype for a class of objects.

Methods

assign

assign<T, U>(target, source): T & U
Copy the values of all of the enumerable own properties from one or more source objects to a target object. Returns the target object.
Type Parameters
- T extends {}
- U
Parameters
- target: T
  The target object to copy to.
- source: U
  The source object from which to copy properties.
Returns T & U
- Defined in node_modules/typescript/lib/lib.es2015.core.d.ts:284
assign<T, U, V>(target, source1, source2): T & U & V
Copy the values of all of the enumerable own properties from one or more source objects to a target object. Returns the target object.
Type Parameters
- T extends {}
- U
- V
Parameters
- target: T
  The target object to copy to.
- source1: U
  The first source object from which to copy properties.
- source2: V
  The second source object from which to copy properties.
Returns T & U & V
- Defined in node_modules/typescript/lib/lib.es2015.core.d.ts:293
assign<T, U, V, W>(target, source1, source2, source3): T & U & V & W
Copy the values of all of the enumerable own properties from one or more source objects to a target object. Returns the target object.
Type Parameters
- T extends {}
- U
- V
- W
Parameters
- target: T
  The target object to copy to.
- source1: U
  The first source object from which to copy properties.
- source2: V
  The second source object from which to copy properties.
- source3: W
  The third source object from which to copy properties.
Returns T & U & V & W
- Defined in node_modules/typescript/lib/lib.es2015.core.d.ts:303
assign(target, ...sources): any
Copy the values of all of the enumerable own properties from one or more source objects to a target object. Returns the target object.
Parameters
- target: object
  The target object to copy to.
- Rest ...sources: any[]
  One or more source objects from which to copy properties
Returns any
- Defined in node_modules/typescript/lib/lib.es2015.core.d.ts:311

create

create(o): any
Creates an object that has the specified prototype or that has null prototype.
Parameters
- o: null | object
  Object to use as a prototype. May be null.
Returns any
- Defined in node_modules/typescript/lib/lib.es5.d.ts:188
create(o, properties): any
Creates an object that has the specified prototype, and that optionally contains specified properties.
Parameters
- o: null | object
  Object to use as a prototype. May be null
- properties: PropertyDescriptorMap & ThisType<any>
  JavaScript object that contains one or more property descriptors.
Returns any
- Defined in node_modules/typescript/lib/lib.es5.d.ts:195

defineProperties

defineProperties<T>(o, properties): T
Adds one or more properties to an object, and/or modifies attributes of existing properties.
Type Parameters
- T
Parameters
- o: T
  Object on which to add or modify the properties. This can be a native JavaScript object or a DOM object.
- properties: PropertyDescriptorMap & ThisType<any>
  JavaScript object that contains one or more descriptor objects. Each descriptor object describes a data property or an accessor property.
Returns T
- Defined in node_modules/typescript/lib/lib.es5.d.ts:210

defineProperty

defineProperty<T>(o, p, attributes): T
Adds a property to an object, or modifies attributes of an existing property.
Type Parameters
- T
Parameters
- o: T
  Object on which to add or modify the property. This can be a native JavaScript object (that is, a user-defined object or a built in object) or a DOM object.
- p: PropertyKey
  The property name.
- attributes: PropertyDescriptor & ThisType<any>
  Descriptor for the property. It can be for a data property or an accessor property.
Returns T
- Defined in node_modules/typescript/lib/lib.es5.d.ts:203

entries

entries<T>(o): [string, T][]
Returns an array of key/values of the enumerable properties of an object
Type Parameters
- T
Parameters
- o: {
  [s: string]: T;
  } | ArrayLike<T>
  Object that contains the properties and methods. This can be an object that you created or an existing Document Object Model (DOM) object.
Returns [string, T][]
- Defined in node_modules/typescript/lib/lib.es2017.object.d.ts:36
entries(o): [string, any][]
Returns an array of key/values of the enumerable properties of an object
Parameters
- o: {}
  Object that contains the properties and methods. This can be an object that you created or an existing Document Object Model (DOM) object.
Returns [string, any][]
- Defined in node_modules/typescript/lib/lib.es2017.object.d.ts:42

freeze

freeze<T>(f): T
Prevents the modification of existing property attributes and values, and prevents the addition of new properties.
Type Parameters
- T extends Function
Parameters
- f: T
  Object on which to lock the attributes.
Returns T
- Defined in node_modules/typescript/lib/lib.es5.d.ts:222
freeze<T, U>(o): Readonly<T>
Prevents the modification of existing property attributes and values, and prevents the addition of new properties.
Type Parameters
- T extends {
  [idx: string]: U | null | undefined | object;
  }
- U extends string | number | bigint | boolean | symbol
Parameters
- o: T
  Object on which to lock the attributes.
Returns Readonly<T>
- Defined in node_modules/typescript/lib/lib.es5.d.ts:228
freeze<T>(o): Readonly<T>
Prevents the modification of existing property attributes and values, and prevents the addition of new properties.
Type Parameters
- T
Parameters
- o: T
  Object on which to lock the attributes.
Returns Readonly<T>
- Defined in node_modules/typescript/lib/lib.es5.d.ts:234

fromEntries

fromEntries<T>(entries): {
[k: string]: T;
}
Returns an object created by key-value entries for properties and methods
Type Parameters
- T = any
Parameters
- entries: Iterable<readonly [PropertyKey, T]>
  An iterable object that contains key-value entries for properties and methods.
Returns {
[k: string]: T;
}
- [k: string]: T
- Defined in node_modules/typescript/lib/lib.es2019.object.d.ts:26
fromEntries(entries): any
Returns an object created by key-value entries for properties and methods
Parameters
- entries: Iterable<readonly any[]>
  An iterable object that contains key-value entries for properties and methods.
Returns any
- Defined in node_modules/typescript/lib/lib.es2019.object.d.ts:32

getOwnPropertyDescriptor

getOwnPropertyDescriptor(o, p): undefined | PropertyDescriptor
Gets the own property descriptor of the specified object. An own property descriptor is one that is defined directly on the object and is not inherited from the object's prototype.
Parameters
- o: any
  Object that contains the property.
- p: PropertyKey
  Name of the property.
Returns undefined | PropertyDescriptor
- Defined in node_modules/typescript/lib/lib.es5.d.ts:175

getOwnPropertyDescriptors

getOwnPropertyDescriptors<T>(o): {
[P in string | number | symbol]: TypedPropertyDescriptor<T[P]>
} & {
[x: string]: PropertyDescriptor;
}
Returns an object containing all own property descriptors of an object
Type Parameters
- T
Parameters
- o: T
  Object that contains the properties and methods. This can be an object that you created or an existing Document Object Model (DOM) object.
Returns {
[P in string | number | symbol]: TypedPropertyDescriptor<T[P]>
} & {
[x: string]: PropertyDescriptor;
}
- Defined in node_modules/typescript/lib/lib.es2017.object.d.ts:48

getOwnPropertyNames

getOwnPropertyNames(o): string[]
Returns the names of the own properties of an object. The own properties of an object are those that are defined directly on that object, and are not inherited from the object's prototype. The properties of an object include both fields (objects) and functions.
Parameters
- o: any
  Object that contains the own properties.
Returns string[]
- Defined in node_modules/typescript/lib/lib.es5.d.ts:182

getOwnPropertySymbols

getOwnPropertySymbols(o): symbol[]
Returns an array of all symbol properties found directly on object o.
Parameters
- o: any
  Object to retrieve the symbols from.
Returns symbol[]
- Defined in node_modules/typescript/lib/lib.es2015.core.d.ts:317

getPrototypeOf

getPrototypeOf(o): any
Returns the prototype of an object.
Parameters
- o: any
  The object that references the prototype.
Returns any
- Defined in node_modules/typescript/lib/lib.es5.d.ts:167

is

is(value1, value2): boolean
Returns true if the values are the same value, false otherwise.
Parameters
- value1: any
  The first value.
- value2: any
  The second value.
Returns boolean
- Defined in node_modules/typescript/lib/lib.es2015.core.d.ts:330

isExtensible

isExtensible(o): boolean
Returns a value that indicates whether new properties can be added to an object.
Parameters
- o: any
  Object to test.
Returns boolean
- Defined in node_modules/typescript/lib/lib.es5.d.ts:258

isFrozen

isFrozen(o): boolean
Returns true if existing property attributes and values cannot be modified in an object, and new properties cannot be added to the object.
Parameters
- o: any
  Object to test.
Returns boolean
- Defined in node_modules/typescript/lib/lib.es5.d.ts:252

isSealed

isSealed(o): boolean
Returns true if existing property attributes cannot be modified in an object and new properties cannot be added to the object.
Parameters
- o: any
  Object to test.
Returns boolean
- Defined in node_modules/typescript/lib/lib.es5.d.ts:246

keys

keys(o): string[]
Returns the names of the enumerable string properties and methods of an object.
Parameters
- o: object
  Object that contains the properties and methods. This can be an object that you created or an existing Document Object Model (DOM) object.
Returns string[]
- Defined in node_modules/typescript/lib/lib.es5.d.ts:264
keys(o): string[]
Returns the names of the enumerable string properties and methods of an object.
Parameters
- o: {}
  Object that contains the properties and methods. This can be an object that you created or an existing Document Object Model (DOM) object.
Returns string[]
- Defined in node_modules/typescript/lib/lib.es2015.core.d.ts:323

preventExtensions

preventExtensions<T>(o): T
Prevents the addition of new properties to an object.
Type Parameters
- T
Parameters
- o: T
  Object to make non-extensible.
Returns T
- Defined in node_modules/typescript/lib/lib.es5.d.ts:240

seal

seal<T>(o): T
Prevents the modification of attributes of existing properties, and prevents the addition of new properties.
Type Parameters
- T
Parameters
- o: T
  Object on which to lock the attributes.
Returns T
- Defined in node_modules/typescript/lib/lib.es5.d.ts:216

setPrototypeOf

setPrototypeOf(o, proto): any
Sets the prototype of a specified object o to object proto or null. Returns the object o.
Parameters
- o: any
  The object to change its prototype.
- proto: null | object
  The value of the new prototype or null.
Returns any
- Defined in node_modules/typescript/lib/lib.es2015.core.d.ts:337

values

values<T>(o): T[]
Returns an array of values of the enumerable properties of an object
Type Parameters
- T
Parameters
- o: {
  [s: string]: T;
  } | ArrayLike<T>
  Object that contains the properties and methods. This can be an object that you created or an existing Document Object Model (DOM) object.
Returns T[]
- Defined in node_modules/typescript/lib/lib.es2017.object.d.ts:24
values(o): any[]
Returns an array of values of the enumerable properties of an object
Parameters
- o: {}
  Object that contains the properties and methods. This can be an object that you created or an existing Document Object Model (DOM) object.
Returns any[]
- Defined in node_modules/typescript/lib/lib.es2017.object.d.ts:30

Function Object

Returns any

Parameters

value: any

Returns any

Index

Properties

Methods

Properties

Readonly prototype

Methods

assign

Type Parameters

T extends {}

U

Parameters

target: T

source: U

Returns T & U

Type Parameters

T extends {}

U

V

Parameters

target: T

source1: U

source2: V

Returns T & U & V

Type Parameters

T extends {}

U

V

W

Parameters

target: T

source1: U

source2: V

source3: W

Returns T & U & V & W

Parameters

target: object

Rest ...sources: any[]

Returns any

create

Parameters

o: null | object

Returns any

Parameters

o: null | object

properties: PropertyDescriptorMap & ThisType<any>

Returns any

defineProperties

Type Parameters

T

Parameters

o: T

properties: PropertyDescriptorMap & ThisType<any>

Returns T

defineProperty

Type Parameters

T

Parameters

o: T

p: PropertyKey

attributes: PropertyDescriptor & ThisType<any>

Returns T

entries

Type Parameters

T

Parameters

o: { [s: string]: T; } | ArrayLike<T>

Returns [string, T][]

Parameters

o: {}

Returns [string, any][]

freeze

Type Parameters

T extends Function

Parameters

f: T

`Readonly` prototype

`Rest` ...sources: any[]

o: {
[s: string]: T;
} | ArrayLike<T>

T extends {
[idx: string]: U | null | undefined | object;
}

Returns {
[k: string]: T;
}

Returns {
[P in string | number | symbol]: TypedPropertyDescriptor<T[P]>
} & {
[x: string]: PropertyDescriptor;
}