はてなブックマーク

Two-way data binding refers to the ability to bind changes to an object’s properties to changes in the UI, and viceversa. In other words, if we have a user object with a name property, whenever we assign a new value to user.name the UI should show the new name. In the same way, if the UI includes an input field for the user’s name, entering a value should cause the name property of the user object