javascript - What's the differences among xx.min.js, xx.debug.js and xx.js? -


i'm newer javascript development. i'm studying extjs, find extjs has several files, file names following:

xxxx.min.js xxxx.debug.js  xxxx.js

so question differences between them, , why? there tools make these kinds of file, mean create js file named xxx.js usually, , how can make xxx.min.js , xxx.debug.js, not copy , change name manually.

thanks.

  • .min.js files 'compressed' in meaning there not line breaks, , there few spaces possible -among things-. can created plugins or online tools, jscompress

  • .debug.js files contain debugging instructions, console.log or console.debug.

  • .js files deployment versions, still legible , editable (not .min.js files)


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