The following documentation comment has been logged on the website:
Page: https://www.postgresql.org/docs/9.4/functions-json.html
Description:
In Table 9-41, for 4th row(?|)
'{"a":1, "b":2}'::jsonb ?| array['b', 'c']
would be a better example to illustrate the operation of ?| than
'{"a":1, "b":2, "c":3}'::jsonb ?| array['b', 'c']