Remove scratchpad data. You should remove scratchpad data only at your own namespaces. http://js.cytoscape.org/#cy.removeScratch
A namespace string.
Set the scratchpad at a particular namespace, where temporary or non-JSON data can be stored. App-level scratchpad data should use namespaces prefixed with underscore, like '_foo'.
If no parameter provided, the entire scratchpad will be returned. If only namespace provided, the scratchpad with the namespace will be returned.
Optional
namespace: stringA namespace string.
http://js.cytoscape.org/#core/graph-manipulation http://js.cytoscape.org/#extensions These functions are intended for use in extensions.