text: function sortDesc(numbers){
  	numbers.sort((a,b)=>b-a);	
  }
  
  function getSortedArray(array){
      var newArray = [...array];
      sortDesc(newArray);
      return newArray;
  }
  
  /** */
  var a  = [1,2,4,6,7,9];
  console.log(getSortedArray(a));
  