gistfile1.txt

function seperateNumbers(arr) {

	var oddNumbers = [];
  var evenNumbers = [];
  
  arr.forEach(element => {
	  if(element%2 == 0) evenNumbers.push(element);
		else oddNumbers.push(element);
  })
  
	evenNumbers = evenNumbers.sort(function(a, b){return b-a});
  oddNumbers = oddNumbers.sort(function(a, b){return b-a});
  
  document.getElementById('resultzone').innerHTML += `Even Numbers: <b>${JSON.stringify(evenNumbers)}</b>`;
  
  document.getElementById('resultzone').innerHTML += `<br>Odd Numbers: <b>${JSON.stringify(oddNumbers)}</b>`;
  
  
}

seperateNumbers([1,2,3,4]);