By default, the selected files are uploaded immediately. To avoid the automatic upload of selected files, set
By default and if supported by the browser, the selected files are uploaded in separate requests. To avoid the upload of selected files in separate requests, set
true. As a result, all selected files are uploaded in one request. The batch mode applies to multiple files which are selected simultaneously. Files that are selected one after the other are uploaded in separate requests.
async-chunk-size is set, the selected files are uploaded chunk by chunk with the declared size. Each request sends a separate file blob and additional string metadata to the server.
The string metadata that is sent to the server is in a stringified JSON format and contains the following properties:
These properties enable the validation and combination of the file on the server side. The response also returns a JSON object with the uploaded and
fileUid properties and notifies the client what the next chunk is.
By default, the selected files are uploaded one after the other. When
async-concurrent is set to
true, all selected files start to upload simultaneously.
async-auto-retry-after is set, the failed upload request is repeated after the declared amount of time (in milliseconds).
The maximum number of attempts that are performed if an upload fails.
The name of the
form field that is submitted to
The URL of the handler which is responsible for the removal of the uploaded files (if any). The handler must accept
POST requests with one or more
fileNames fields which specify the files that will be deleted.
The HTTP verb that will be used by the
The name of the
form field which is submitted to
saveUrl. Defaults to the input name.
The URL of the handler that will receive the submitted files. The handler must accept
POST requests which contain one or more fields with the same name as the original input name.
By default, the files are uploaded as file data. When
async-use-array-buffer is set to
true, the files are read as a file buffer by using
FileReader. This buffer is sent in the request body.
Controls whether to send credentials (cookies, headers) for cross-site requests.