What are two-way data binding and one-way data flow, and how are they different?
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Answer / Madhu Sonker
Two-way data binding is a mechanism that automatically synchronizes the UI (view) and a model in JavaScript. Any changes made to either the view or the model are immediately reflected in both. An example of this is AngularJS's ngModel directive. One-way data flow, on the other hand, means that the data flows from one direction only - typically from the model to the view. Changes in the view have no effect on the model. React.js uses a one-way data flow approach with the Virtual DOM.
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