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//Generates a fibonacci sequency of length [fiboLength] and then prints the result to the console.
//[fibo] array to hold generated values, initialized with first two numbers in the sequence.
//[fiboLength] number of values to be generated
let fibo = [0,1], fiboLength = 10;
for(let i=0; i < (fiboLength - 2); i++) {
  fibo.push( fibo[fibo.length - 2] + fibo[fibo.length - 1] );
}
console.log( fibo.join( ', ') );