Thanks @ArpitVarshney  I have enabled the minify and also include jsProcessor in xml file of ClientLibraryjsProcessor="[default:none,min:gcc;languageIn=ECMASCRIPT_2015;compilationLevel=whitespace]"When I build in console Im facing JS errors 

AEM with version 6.4What is the process of minifying the js and css inside the clientlibs folder

When try to Minify files under clientlibs using JsProcessor, facing some Console errors and the files are not minified too. Console errorsUncaught ReferenceError: $jscomp is not definedbecause its MIME type ('') is not executable, and strict MIME type checking is enabled. USING AEM 6.4jsProcessor="[...

Is there any way to retrieve unused assets from DAM in AEM 6.4 without using JAVA servletsNeed to bulk delete the unused assets from DAM