/usr/share/javascript/dojox/lang/ is in libjs-dojo-dojox 1.6.1+dfsg-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/javascript/dojox/lang/README
/usr/share/javascript/dojox/lang/aspect/
/usr/share/javascript/dojox/lang/aspect.js
/usr/share/javascript/dojox/lang/aspect/cflow.js
/usr/share/javascript/dojox/lang/aspect/counter.js
/usr/share/javascript/dojox/lang/aspect/memoizer.js
/usr/share/javascript/dojox/lang/aspect/memoizerGuard.js
/usr/share/javascript/dojox/lang/aspect/profiler.js
/usr/share/javascript/dojox/lang/aspect/timer.js
/usr/share/javascript/dojox/lang/aspect/tracer.js
/usr/share/javascript/dojox/lang/async/
/usr/share/javascript/dojox/lang/async.js
/usr/share/javascript/dojox/lang/async/event.js
/usr/share/javascript/dojox/lang/async/timeout.js
/usr/share/javascript/dojox/lang/async/topic.js
/usr/share/javascript/dojox/lang/docs.js
/usr/share/javascript/dojox/lang/functional/
/usr/share/javascript/dojox/lang/functional.js
/usr/share/javascript/dojox/lang/functional/array.js
/usr/share/javascript/dojox/lang/functional/binrec.js
/usr/share/javascript/dojox/lang/functional/curry.js
/usr/share/javascript/dojox/lang/functional/fold.js
/usr/share/javascript/dojox/lang/functional/lambda.js
/usr/share/javascript/dojox/lang/functional/linrec.js
/usr/share/javascript/dojox/lang/functional/listcomp.js
/usr/share/javascript/dojox/lang/functional/multirec.js
/usr/share/javascript/dojox/lang/functional/numrec.js
/usr/share/javascript/dojox/lang/functional/object.js
/usr/share/javascript/dojox/lang/functional/reversed.js
/usr/share/javascript/dojox/lang/functional/scan.js
/usr/share/javascript/dojox/lang/functional/sequence.js
/usr/share/javascript/dojox/lang/functional/tailrec.js
/usr/share/javascript/dojox/lang/functional/util.js
/usr/share/javascript/dojox/lang/functional/zip.js
/usr/share/javascript/dojox/lang/observable.js
/usr/share/javascript/dojox/lang/oo/
/usr/share/javascript/dojox/lang/oo/Decorator.js
/usr/share/javascript/dojox/lang/oo/Filter.js
/usr/share/javascript/dojox/lang/oo/aop.js
/usr/share/javascript/dojox/lang/oo/general.js
/usr/share/javascript/dojox/lang/oo/mixin.js
/usr/share/javascript/dojox/lang/oo/rearrange.js
/usr/share/javascript/dojox/lang/typed.js
/usr/share/javascript/dojox/lang/utils.js