you can flip it and save a few bytes, but not valid fizzbuzz then:
for(i=100;i--;console.log(i%5?f||i:f+'Buzz'))f=i%3?'':'Fizz'
for(i=100;i--;console.log(i%5?f||i:f+'Buzz'))f=i%3?'':'Fizz'
Well, if we let that requirement be broken, I'll present an even shorter JS version:
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