js for循環刪除兩個數組相同元素

 var id = ['a','b','c','a','d','a','a','b','d','c','a','b','c','a','b','c']
  var del = ['a','c'];
  var temp01 = [];
  var temp02 = [];

  for(var i in del){
    temp01[del[i]] = true;
  }

  for (var k in id){
    if(!temp01[id[k]]){
          temp02.push(id[k])
      }
  }

  console.log(temp02);