The delete method allows you to delete documents from your index using various criteria. You can delete documents by their IDs, by ID prefix or with metadata filter. 
Arguments IDs
string[] | number[] | string | number 
required
One or more document IDs to delete. 
OR ids
string[] | number[] | string | number 
One or more document IDs to delete. 
A string prefix to match document IDs for deletion. All documents with IDs starting with this prefix will be deleted. 
A filter  to delete documents based on content fields. Deleting document with filter is a O(N) operation that performs a full
scan. Therefore, it might be slow for large indexes. 
Response The number of documents that were successfully deleted. 
Delete by IDs Array
Delete Single ID
Delete by Prefix
Delete with Filter
const  response  =  await  index . delete ([ "star-wars" ,  "inception" ]); // { deleted: 2 }