What is Data Binding in Angularjs ?

Data Binding:

• It is a very useful feature in development.
• It works between the model and view.
• Two types of data-binding.
• One way data-binding.
• Two-way data-binding.
• One-Time data binding

One way data-binding

• Data moves from scope to view.
• If any modification happens in scope immediately reflected in the view.
• If the modification will happen in view no reflection in scope.
• This System binds data in only one direction.

Two-way data-binding

• Data moves from scope to view and vice versa.
• If any modification happens in scope immediately reflected in the view. 
• If the modification will happen in view immediately reflection in scope. 
• This System binds data in both directions.

One-Time data-binding

• Data moves from scope to view.
• New modification will never be sent again to the view. 
• Data will travel only one time from scope to view.
• In the view, no propagation happens (back to scope) for any data changes.