DataTables/DataTables — pull request #95 by timtucker (2012-09-03 16:34:29+00:00)
Title: Update media/src/core/core.sizing.js

Use document.body rather than document.getElementsByTagName
(Makes things consistent with the rest of the codebase and should be faster)

http://jsperf.com/document-body-vs-document-getelementsbytagname-body-0