Design patterns·The shape of the whole application
typing in the box changed the object and changing the object changed the box, and tracing which caused which was work.
Two-way data binding
Also calledtwo way binding, bidirectional binding
A binding where updates flow in both directions between a view element and a model property. It removes an enormous amount of glue and makes the direction of causation unreadable, which is exactly why the one-way data flow argument won in the frontend and why it survived in desktop frameworks. Its worst failure is the update loop, where two bindings keep triggering each other.