FileReaderSync: readAsText() method
readAsText() method of the
FileReaderSync interface allows to read
Blob objects in a synchronous way into a string. This interface is only available in workers as it enables synchronous I/O that could potentially block.
readAsText(File) readAsText(Blob) readAsText(File, encoding) readAsText(Blob, encoding)
A string representing the input data.
The following exceptions can be raised by this method:
Thrown if the resource represented by the DOM
Blobcannot be found, e.g. because it has been erased.
Thrown if one of the following problematic situation is detected:
- the resource has been modified by a third party;
- too many read are performed simultaneously;
- the file pointed by the resource is unsafe for a use from the Web (like it is a system file).
Thrown if the resource cannot be read due to a permission problem, like a concurrent lock.
Thrown if the resource is a data URL and exceed the limit length defined by each browser.
|File API |
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