# Javascript random number generator

Does anyone know how to make an unclassified random number generator in javascript? I know how to make it sequential using `Math.floor(Math.random()*11)`

where the number will be between 0-10. I'm looking for one that will only spit out 65, 83, 68, 70 (these numbers are the character codes for a, s, d, f ... I'm making a keyboard game). The only other random number generators I've found are biased / non-uniform. If you could give me general direction as to what this is called or even how to do it, that would be greatly appreciated. Many thanks!

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