Q51. How do you resolve circular dependencies between components?
In complex applications, vue components will actually be each other's descendent and ancestor in the render tree. Let's say componentA and componentB included in their re...
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Q52. What is Jest?
_Jest_ is a JavaScript unit testing framework created by Facebook based on Jasmine and provides automated mock creation and a `jsdom` environment. It's often used for tes...
Q53. What is the difference between `mapStateToProps()` and `mapDispatchToProps()`?
`mapStateToProps()` is a utility which helps your component get updated state (which is updated by some other components): ```javascript const mapStateToProps = (state) =...
Q54. What is the difference between React context and React Redux?
You can use **Context** in your application directly and is going to be great for passing down data to deeply nested components which what it was designed for. Whereas **...
Q55. What are the major components of State Management Pattern?
The state management has state, view and actions as major components. The pattern followed by these components in a application is known as State Management Pattern. Belo...
Q56. What is the proper way to access Redux store?
The best way to access your store in a component is to use the `connect()` function, that creates a new component that wraps around your existing one. This pattern is cal...
Q57. How to structure Redux top level directories?
Most of the applications has several top-level directories as below: 1. **Components**: Used for _dumb_ components unaware of Redux. 2. **Containers**: Used for _smart_ c...
Q58. Is parent styles leaked into child components in scoped CSS?
The parent component's styles will not leak into child components. But a child component's root node will be affected by both the parent's scoped CSS and the child's scop...
Q59. How to create functional components using Vue loader?
You can create functional components by adding functional attribute to template block, ```javascript {{ props.msg }} ``` ****
Q60. What is the difference between React Native and React?
**React** is a JavaScript library, supporting both front end web and being run on the server, for building user interfaces and web applications. **React Native** is a mob...