Arrays of multiples coding interview question

/* 
function arrayOfMultiples(num, length){
console.log( Array.from({length},(item,index)=> num*(index+1)))
}
 */
function arrayOfMultiples1(num, length){
console.log([...Array(length)].map((item,index) => num * (index+1)))
}

function arrayOfMultiples2(num, length){
    let result = [];
  for(let i=1; i<=length; i++){
    result.push(num*i);
  }
  console.log(result)
}

arrayOfMultiples2(5,7)

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