React JS is the latest and most popular JavaScript framework. This React Js MCQ Test contains 30+ React Js Multiple Choice Questions. So, you have to select the right answer to check your final preparation for your Exams & Interviews. Besides this, you can also download the PDF Completely Free.
React Js MCQ Online Test
- JavaScript library
- Bootstrap library
- CSS library
- None of the Above
- May 29, 2013
- April 29, 2013
- June 29, 2013
- May 29, 2014
- JavaScript
- Python
- Java
- Php
- Virtual DOM
- Original DOM
- Both Original & Virtual DOM
- None of the Above
- A JavaScript transpiler
- A JavaScript interpreter
- A JavaScript Compiler
- None of the above
Download Free : React JS MCQ PDF
- install -g create-react-app
- npm install create-react-app
- npx create-react-app reactapp
- None of the Above
- A permanent storage.
- An Internal storage of the component.
- An External storage of the component.
- All of the above
- this.getState()
- this.values
- this.prototype.stateValue
- this.state
- Methods
- Injected
- Both 1 & 2
- All of the above
- Middleware
- Controller
- Model
- View
- Do not requires to be unique
- Unique in the DOM
- Unique among the siblings only
- All of the above
- Dispatcher->Action->Store->View
- Action->Dispatcher->View->Store
- Action->Dispatcher->Store->View
- Action->Store->Dispatcher->View
Download Free: React Js Interview Questions PDF
- Jordan Walke
- Rasmus Lerdorf
- Miško Hevery
- None of the above
- JSX
- Flux
- Dom
- Props
- Ref
- Keys
- Props
- Elements
- revokeDefault()
- preventDefault()
- avoidDefault()
- None of the Above
- Database
- User interface
- Connectivity
- Design platform
- props
- elements
- components
- None of the Above
- this.State{}
- this.setState
- this.setChangeState
- None of the Above
- client-side framework
- server-side framework
- ui (user interface) framework
- None of the above
- this
- Create
- Extends
- Inherits
- state & services
- state & component
- State & props
- services & component
- self()
- this()
- Inherits()
- super()
- js/components
- components/js
- vendor/components
- None of the above
- complete the update
- optimize for all devices
- change the layout of the screen
- when we need the browser to paint before effectors
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