util.types.isDataView(value)


如果值为内置的 <DataView> 实例,则返回 true

¥Returns true if the value is a built-in <DataView> instance.

const ab = new ArrayBuffer(20);
util.types.isDataView(new DataView(ab));  // Returns true
util.types.isDataView(new Float64Array());  // Returns false 

另见 ArrayBuffer.isView()

¥See also ArrayBuffer.isView().