SharedArrayBuffer.prototype

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SharedArrayBuffer.prototype  属性表示 SharedArrayBuffer  对象的原型。

SharedArrayBuffer.prototype 属性的属性特性:
writable false
enumerable false
configurable false

Description

SharedArrayBuffer instances inherit from SharedArrayBuffer.prototype. As with all constructors, you can change the constructor's prototype object to make changes to all SharedArrayBuffer instances.

Properties

SharedArrayBuffer.prototype.constructor
Specifies the function that creates an object's prototype. The initial value is the standard built-in SharedArrayBuffer constructor.
SharedArrayBuffer.prototype.byteLength 只读
The size, in bytes, of the array. This is established when the array is constructed and cannot be changed. Read only.

Methods

SharedArrayBuffer.prototype.slice(begin, end)
Returns a new SharedArrayBuffer whose contents are a copy of this SharedArrayBuffer's bytes from begin, inclusive, up to end, exclusive. If either begin or end is negative, it refers to an index from the end of the array, as opposed to from the beginning.

Specifications

Specification Status Comment
ECMAScript Latest Draft (ECMA-262)
SharedArrayBuffer.prototype
Living Standard Initial definition in ES2017.

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support6016

55

46 — 541

No No10.1
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidIE mobileOpera AndroidiOS Safari
Basic support6060 ?

55

46 — 541

No No No

1. From version 46 until version 54 (exclusive): this feature is behind the javascript.options.shared_memory preference (needs to be set to true). To change preferences in Firefox, visit about:config.

See also

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