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JavaScript Why We Need a Build Step

Minification doesn't rename variables, uglification does that

He says that minification renames his variable in the scope. That is not true as far as I know. Can someone please confirm?

1 Answer

The minification engine will rename local variables and longer variable names will be shortened.

https://stackoverflow.com/questions/10959154/uglify-js-doesnt-mangle-variable-names

To add to this, the word "uglification" is really just a synonym for "minification". The point of both is to compress your code into the smallest possible form so that it takes the least amount of time/effort to transmit over the internet