const names= ['John', 'Tina','Kale','Max']

​

function useFunction(arr,function_as_argument){

    for(let i=0; i<arr.length; i++){

    function_as_argument(arr[i]);

    }

}                                

function function_as_argument(name){

  console.log("Hello " + name );

}

​

useFunction(names,function_as_argument);