非标
此特征是非标准的,且不在标准轨道中。不要在面向 Web 的生产站点中使用它:它不适用于每个用户。实现之间可能存在大的不兼容性,且行为将来可能改变。

摘要

readAsArrayBuffer method is used to read the content of the LockedFile object and provide the result of that reading as an ArrayBuffer . In many ways, it performs like the FileReader.readAsArrayBuffer() 方法。

The reading operation starts at the position given by the LockedFile.location 特性。

句法

var request = instanceOfLockedFile.readAsArrayBuffer(size);
					

参数

size

A number representing the number of bytes to read in the file.

返回

A FileRequest object to handle the success or failure of the operation. In case of success, the request's result ArrayBuffer representing the data that have been read.

规范

规范 状态 注释
FileSystem API 编者草案 Draft proposal

另请参阅

元数据

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