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ArrayBuffer.isView()

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The ArrayBuffer.isView() method returns true if arg is a view one of the ArrayBuffer views, such as typed array objects or a DataView; false otherwise.

判断是否为ArrayBuffer试图类实例,包括 typed array objects(类型化数组对象) 和 a DataView

Syntax(语法)

ArrayBuffer.isView(arg)

Parameters(参数)

arg
The argument to be checked.(待检参数)

Examples(示例)

ArrayBuffer.isView();                    // false              
ArrayBuffer.isView([]);                  // false
ArrayBuffer.isView({});                  // false
ArrayBuffer.isView(null);                // false
ArrayBuffer.isView(undefined);           // false
ArrayBuffer.isView(new ArrayBuffer(10)); // false
 
ArrayBuffer.isView(new Uint8Array());    // true
ArrayBuffer.isView(new Float32Array());  // true
ArrayBuffer.isView(new Int8Array(10).subarray(0, 3)); // true

var buffer = new ArrayBuffer(2);
var dv = new DataView(buffer);
ArrayBuffer.isView(dv); // true

Specifications(说明文档)

Specification(说明书) Status(状态) Comment(备注)
Typed Array Specification Obsolete Superseded by ECMAScript 6.
ECMAScript 2015 (6th Edition, ECMA-262)
ArrayBuffer.isView
Standard Initial definition in an ECMA standard.

Browser compatibility(浏览器兼容性)

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support (Yes) 29 (29) 11 (Yes) (Yes)
Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support (Yes) (Yes) 29.0 (29) 11 (Yes) (Yes)

See also(另见参考文档)

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