SP.File.eTag property (sp.js)
Gets a value that specifies the ETag value.
Applies to: apps for SharePoint | SharePoint Foundation 2013 | SharePoint Server 2013
var value = SP.File.get_eTag ()
Return value
Type: String
Remarks
The ETag response-header field provides the current value of the entity tag for the requested variant. The entity tag may be used for comparison with other entities from the same resource.
REST resource endpoint
See File resource for more information.
Endpoint URI structure
http://<sitecollection>/<site>/_api/web/folders/getbyurl(folderrelativeurl)/files/getbyurl(filerelativeurl)/eTag
HTTP requests
This resource supports the following HTTP commands:
- POST
POST syntax
POST http://<sitecollection>/<site>/_api/web/folders/getbyurl(folderrelativeurl)/files/getbyurl(filerelativeurl)/eTag
GET syntax
GET http://<sitecollection>/<site>/_api/web/folders/getbyurl(folderrelativeurl)/files/getbyurl(filerelativeurl)/eTag