DataView.prototype.buffer - JavaScript 编辑

The buffer accessor property represents the ArrayBuffer or SharedArrayBuffer referenced by the DataView at construction time.

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The source for this interactive example is stored in a GitHub repository. If you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request.

Description

The buffer property is an accessor property whose set accessor function is undefined, meaning that you can only read this property. The value is established when the DataView is constructed and cannot be changed.

Examples

Using the buffer property

var buffer = new ArrayBuffer(8);
var dataview = new DataView(buffer);
dataview.buffer; // ArrayBuffer { byteLength: 8 }

Specifications

Specification
ECMAScript (ECMA-262) The definition of 'DataView.prototype.buffer' in that specification.

Browser compatibility

BCD tables only load in the browser

See also

• DataView
• ArrayBuffer
• SharedArrayBuffer