If I give Closure Compiler something like this:

window.array = '0123456789'.split('');

It "compiles" it to this:

window.array="0,1,2,3,4,5,6,7,8,9".split(",");

Now as you can tell, that's bigger. Is there any reason why Closure Compiler is doing this?

javascript google-closure-compiler minify
Edit
Report