Core: Consistently use local reference to access()

Ref 2fb719e5aa885232c5347576e9f9e1e341a7ba15
Ref 2063d6c1896b0c46c39fa0fdecef817f2e6f57c3
Readme: Fix punctuation in tile

Ref df62159296e9de8b04653ba999a32f9be7bb2a73
Ajax: Add support comment and fix code style issue

Closes gh-1600
Ref e5190982c40d7ac8ab9bdb2e7e4334f0e123ef66
Ref #8138