Interface ObjectConstructor

interface ObjectConstructor {
    new ObjectConstructor(value?: any): Object;
    prototype: Object;
    assign<T extends {}, U>(target: T, source: U): T & U;
    assign<T extends {}, U, V>(target: T, source1: U, source2: V): T & U & V;
    assign<T extends {}, U, V, W>(
        target: T,
        source1: U,
        source2: V,
        source3: W,
    ): T & U & V & W;
    assign(target: object, ...sources: any[]): any;
    create(o: object): any;
    create(o: object, properties: PropertyDescriptorMap & ThisType<any>): any;
    defineProperties<T>(
        o: T,
        properties: PropertyDescriptorMap & ThisType<any>,
    ): T;
    defineProperty<T>(
        o: T,
        p: PropertyKey,
        attributes: PropertyDescriptor & ThisType<any>,
    ): T;
    entries<T>(o: { [s: string]: T } | ArrayLike<T>): [string, T][];
    entries(o: {}): [string, any][];
    freeze<T extends Function>(f: T): T;
    freeze<
        T extends { [idx: string]: object
        | U },
        U extends string | number | bigint | boolean | symbol,
    >(
        o: T,
    ): Readonly<T>;
    freeze<T>(o: T): Readonly<T>;
    fromEntries<T = any>(
        entries: Iterable<readonly [PropertyKey, T]>,
    ): { [k: string]: T };
    fromEntries(entries: Iterable<readonly any[]>): any;
    getOwnPropertyDescriptor(o: any, p: PropertyKey): PropertyDescriptor;
    getOwnPropertyDescriptors<T>(
        o: T,
    ): { [P in string | number | symbol]: TypedPropertyDescriptor<T[P]> } & {
        [x: string]: PropertyDescriptor;
    };
    getOwnPropertyNames(o: any): string[];
    getOwnPropertySymbols(o: any): symbol[];
    getPrototypeOf(o: any): any;
    groupBy<K extends PropertyKey, T>(
        items: Iterable<T>,
        keySelector: (item: T, index: number) => K,
    ): Partial<Record<K, T[]>>;
    hasOwn(o: object, v: PropertyKey): boolean;
    is(value1: any, value2: any): boolean;
    isExtensible(o: any): boolean;
    isFrozen(o: any): boolean;
    isSealed(o: any): boolean;
    keys(o: object): string[];
    keys(o: {}): string[];
    preventExtensions<T>(o: T): T;
    seal<T>(o: T): T;
    setPrototypeOf(o: any, proto: object): any;
    values<T>(o: { [s: string]: T } | ArrayLike<T>): T[];
    values(o: {}): any[];
    (): any;
    (value: any): any;
}

ObjectConstructor(): any
Returns any
ObjectConstructor(value: any): any
Parameters
- value: any
Returns any

Constructors

constructor

new ObjectConstructor(value?: any): Object
Parameters
- Optionalvalue: any
Returns Object

Properties

`Readonly`prototype

prototype: Object

A reference to the prototype for a class of objects.

Methods

assign

assign<T extends {}, U>(target: T, source: U): 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
assign<T extends {}, U, V>(target: T, source1: U, source2: V): 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
assign<T extends {}, U, V, W>(
    target: T,
    source1: U,
    source2: V,
    source3: W,
): 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
assign(target: object, ...sources: any[]): 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.
- ...sources: any[]
  One or more source objects from which to copy properties
Returns any

create

create(o: object): any
Creates an object that has the specified prototype or that has null prototype.
Parameters
- o: object
  Object to use as a prototype. May be null.
Returns any
create(o: object, properties: PropertyDescriptorMap & ThisType<any>): any
Creates an object that has the specified prototype, and that optionally contains specified properties.
Parameters
- o: 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

defineProperties

defineProperties<T>(o: T, properties: PropertyDescriptorMap & ThisType<any>): 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

defineProperty

defineProperty<T>(
    o: T,
    p: PropertyKey,
    attributes: PropertyDescriptor & ThisType<any>,
): 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

entries

entries<T>(o: { [s: string]: T } | ArrayLike<T>): [string, T][]
Returns an array of key/values of the enumerable own 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][]
entries(o: {}): [string, any][]
Returns an array of key/values of the enumerable own 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][]

freeze

freeze<T extends Function>(f: T): 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
freeze<
    T extends { [idx: string]: object
    | U },
    U extends string | number | bigint | boolean | symbol,
>(
    o: T,
): Readonly<T>
Prevents the modification of existing property attributes and values, and prevents the addition of new properties.
Type Parameters
- T extends { [idx: string]: object | U }
- U extends string | number | bigint | boolean | symbol
Parameters
- o: T
  Object on which to lock the attributes.
Returns Readonly<T>
freeze<T>(o: T): 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>

fromEntries

fromEntries<T = any>(
entries: Iterable<readonly [PropertyKey, T]>,
): { [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 }
fromEntries(entries: Iterable<readonly any[]>): 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

getOwnPropertyDescriptor

getOwnPropertyDescriptor(o: any, p: PropertyKey): 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 PropertyDescriptor

getOwnPropertyDescriptors

getOwnPropertyDescriptors<T>(
o: T,
): { [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;
}

getOwnPropertyNames

getOwnPropertyNames(o: any): 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[]

getOwnPropertySymbols

getOwnPropertySymbols(o: any): symbol[]
Returns an array of all symbol properties found directly on object o.
Parameters
- o: any
  Object to retrieve the symbols from.
Returns symbol[]

getPrototypeOf

getPrototypeOf(o: any): any
Returns the prototype of an object.
Parameters
- o: any
  The object that references the prototype.
Returns any

groupBy

groupBy<K extends PropertyKey, T>(
items: Iterable<T>,
keySelector: (item: T, index: number) => K,
): Partial<Record<K, T[]>>
Groups members of an iterable according to the return value of the passed callback.
Type Parameters
- K extends PropertyKey
- T
Parameters
- items: Iterable<T>
  An iterable.
- keySelector: (item: T, index: number) => K
  A callback which will be invoked for each item in items.
Returns Partial<Record<K, T[]>>

hasOwn

hasOwn(o: object, v: PropertyKey): boolean
Determines whether an object has a property with the specified name.
Parameters
- o: object
  An object.
- v: PropertyKey
  A property name.
Returns boolean

is

is(value1: any, value2: any): 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

isExtensible

isExtensible(o: any): boolean
Returns a value that indicates whether new properties can be added to an object.
Parameters
- o: any
  Object to test.
Returns boolean

isFrozen

isFrozen(o: any): 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

isSealed

isSealed(o: any): 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

keys

keys(o: object): 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[]
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[]

preventExtensions

preventExtensions<T>(o: T): T
Prevents the addition of new properties to an object.
Type Parameters
- T
Parameters
- o: T
  Object to make non-extensible.
Returns T

seal

seal<T>(o: T): 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

setPrototypeOf

setPrototypeOf(o: any, proto: object): 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: object
  The value of the new prototype or null.
Returns any

values

values<T>(o: { [s: string]: T } | ArrayLike<T>): T[]
Returns an array of values of the enumerable own 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[]
values(o: {}): any[]
Returns an array of values of the enumerable own 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[]

Interface ObjectConstructor

Returns any

Parameters

Returns any

Index

Constructors

Properties

Methods

Constructors

constructor

Parameters

Returns Object

Properties

Readonlyprototype

Methods

assign

Type Parameters

Parameters

Returns T & U

Type Parameters

Parameters

Returns T & U & V

Type Parameters

Parameters

Returns T & U & V & W

Parameters

Returns any

create

Parameters

Returns any

Parameters

Returns any

defineProperties

Type Parameters

Parameters

Returns T

defineProperty

Type Parameters

Parameters

Returns T

entries

Type Parameters

Parameters

Returns [string, T][]

Parameters

Returns [string, any][]

freeze

Type Parameters

Parameters

Returns T

Type Parameters

Parameters

Returns Readonly<T>

Type Parameters

Parameters

Returns Readonly<T>

fromEntries

Type Parameters

Parameters

Returns { [k: string]: T }

Parameters

Returns any

getOwnPropertyDescriptor

Parameters

Returns PropertyDescriptor

getOwnPropertyDescriptors

Type Parameters

Parameters

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

getOwnPropertyNames

Parameters

Returns string[]

getOwnPropertySymbols

Parameters

Returns symbol[]

getPrototypeOf

Parameters

Returns any

groupBy

Type Parameters

`Readonly`prototype

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