Difference between “var” and “dynamic” type in Dart?

Question

According to this article:

As you might know, dynamic (as it is now called) is the stand-in type when a static type annotation is not provide

Answer 1

try this in DartPad:

void main() {
  dynamic x = 'hal';
  x = 123;
  print(x);
  var a = 'hal';
  a = 123;
  print(a);
}

you can change the type of x, but not a.