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function fn1(){  var a = 'fun';}function fn2(){  return;}var foo = fn1();var bar = fn2();console.log(foo, bar);

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function average(salary){  salary.sort((a,b) => a-b);  let len = salary.length;  let sum = 0;  for(let i = 1; i < len-1; i++){    sum += salary[i];  }  return sum/(len-2);}let salary = [8000,9000,2000,3000,6000,1000]

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