| What is the difference between state and props? |
| What can you do if the expression contains more than one line? |
| What kind of information controls a segment in React? |
| What do you understand by the term polling? |
| What is the difference between React Native and React? |
| What are React Hooks? |
| What do you understand by “Single source of truth”? |
| What is the benefit of strict mode? |
| What is the difference between createElement and cloneElement? |
| What are the features of ReactJS? |
| What are the rules one needs to follow regarding hooks? |
| What are the conditions to safely use the index as a key? |
| What is Relay? |
| What is route based code splitting? |
| What is render hijacking? |
| What are React Events? |
| What do you know about Flux? |
| What is ReactDOMServer? |
| What is the use of Webpack? |
| What is the difference between DOM and virtual DOM in React.js? |
| What is create-react-app? |
| What are some of the major advantages to using react when building UIs? |
| What is the second argument that can optionally be passed to setState and what is its purpose? |
| What are Higher Order Components(HOC)? |
| What is suspense component? |
| What is the point of renderToNodeStream method? |
| What is prop drilling and how can you avoid it? |
| What do you understand by “In React, everything is a component.” |
| What is the behavior of uncaught errors in react 16? |
| What do you understand by mixin or higher order components in ReactJS? |
| What do you understand by Props in React? |
| What is the difference between a controlled component and an uncontrolled component? |
| What are the rules needs to follow for hooks? |
| What is JSX? |
| What is the difference between async mode and concurrent mode? |
| What does shouldComponentUpdate do and why is it important? |
| What are the different phases of React component’s lifecycle? |
| What is the purpose of eslint plugin for hooks? |
| What are the lifecycle methods of ReactJS? |
| What would be two of the most significant drawbacks of React? |
| What are synthetic events in React? |
| What is arrow function in React? How is it used? |
| What are refs in React? |
| What are the benefits of using typescript with reactjs? |
| What is the use of a super keyword in React? |
| What is the methods order when component is re-rendered? |
| What is windowing technique? |
| What are the problems of using render props with pure components? |
| What are the drawbacks of MVW pattern? |
| What are the advantages of formik over redux form library? |
| What are selectors? Why would you use reselect or a memoization library? |
| What is the mental model of redux-saga? |
| What is an action in Redux? |
| What are the core principles of Redux? |
| What are the downsides of Redux compared to Flux? |
| What does the term I / O mean? |
| What does event-driven programming mean? |
| What is the benefit of using node.js? |
| What is the control flow function? |
| What are the tasks to do with the use of the Event Ring? |
| What are the two discussions that take async.queue? |
| What is an event cycle in Node.js? |
| What is the benefit of Node.js? |
| What is the difference between Node.js against Ajax? |
| What are the challenges with Node.js? |
| What does it mean to be “block-prevention” in node.js? |
| What is the command used for node.js to export external libraries? |
| What is ‘Callback’ in Node.js? |
| What is the relationship of Node.js with JavaScript? |
| What is the difference between Node.js and Ajax? |
| What are two types of API functions in Node.js? |
| What is a bug – first request? |
| What structure is commonly used in Node.js? |
| What are two sections of event driven programming? |
| What is the biggest drawback of Node.js? |
| What is the request on Node.Js? |
| What is a foot blade? |
| What is EventEmitter.emit() function in the Node.js? |
| What is the responsibility for the writeFile method in FS module? |
| What having in package.json file? |
| What do you mean by local dependencies? |
| what do you know about package.json? |
| What is Node.js? |
| What do you comprehend by Event-driven programming? |
| What do you comprehend by the Reactor Pattern in Node.js? |
| What are LTS arrivals of Node.js? |
| What do you comprehend by ESLint? |
| What do you comprehend by worldwide items in Node.js? |
| What is the utilization of a cradle class in Node.js? |
| What are controlled and uncontrolled components in react native? |
| What are hooks in react native? |
| What are pure components in React Native? |
| What are states in React Native? |
| What are the advantages of native apps over hybrid apps? |
| What are the advantages of React Native? |
| What are the new features in React Native 0.61? |
| What are the other modules need for react native navigation? |
| What do you mean by Dispatch in react native? |
| What do you mean by interactionManager and why is it important? |
| What does StyleSheet.create do?What are refs in React Native? |
| What is API in react native? |
| What is AppRegistry react native? |
| What is fabric in react native? |
| What is Gesture Responder System in React Native? |
| What is HOC in React Native? |
| What is react native and why it is used? |
| What is the point of StyleSheet.create in react native? |
| What is the use of Redux in React Native? |
| What is the use of the arrow function? |
| What type of data does a ListView take in react native? |
| What is React? |
| What are the major features of React? |
| What are Pure Components? |
| What is state ? |
| What are props ? |
| What is the purpose of callback function as an argument of setState()? |
| What are synthetic events ? |
| What are inline conditional expressions? |
| What is "key" prop and what is the benefit of using it in arrays of elements? |
| What is the use of refs? |
| What are forward refs? |
| Name 3 ways to create a component in React and its differences. |
| Write a program to display "Hello World" in react native? |
| Explain DOM Diffing in React. |
| Explain Presentational segment |
| Explain the purpose of render() in React. |
| Explain the use of Redux thunk? |
| Explain React Decorators |
| Explain the Virtual DOM and its working. |
| Explain Flexbox and its benefits |
| Explain the positives and negatives of shallow rendering components in tests. |
| Explain how “Control Flow” controls functional calls. |
| Explain the word I / O in the context of Node.js. |
| Explain the role of the request process in Node.js. |
| Explain the control flow function. |
| Explain REPL at Node.Js |
| Explain the limitations of React native? |
| Why should we not call setState in componentWillUnmount? |
| Why is switch keyword used in React Router v4? |
| Why do we need a Router to React? |
| Why did you choose to work with react? |
| Why are you not required to use inheritance? |
| Why are fragments better than container divs? |
| Why are String Refs considered legacy? |
| Why do we need a key property? Give an example when a bad key causes an error. |
| Why are Redux state functions called reducers? |
| Why is Node.js single thread? |
| Why do node.js quickly draw from JavaScript programmers? |
| Why node.js is a single threaded/multi-threaded? |
| Why Node.js is single-strung? |
| Why react native is better than native? |
| Why should we not update the state directly? |
| Which of the below statement/s are true about Node.js? |
| Which of the following is true about EventEmiiter.on()? |
| Which one is not a method of EventEmiiter class in Node.js? |
| Which of the most popular framework of Node for implementing routing? |
| Which method is used to create a TCP server? |
| Which built-in module can be used for socket programming? |
| Which of the mode of installation is better to install any package which has an application dependency? |
| Which is a drop-in replacement of NPM? |
| Which of command is used to create the package.json file? |
| Which method the specialized form of spawn() method to create the child process? |
| Which command is used to inert the breaking point in a node application? |
| Which is used to give a graphical user interface to perform node application debugging? |
| Which is used to watch the changes occurring inside a given directory and restart the node application after each change? |
| Which command is used to run for installing react native? |
| How is Stateless component different from a Stateful component? |
| How to prevent a function from being called multiple times? |
| How to dispatch the data in-store? |
| How do you tell React to build in Production mode and what will that do? |
| How do you access imperative API of web components? |
| How do the parent and child components exchange information? |
| How is React different from Angular and VUE? |
| How do you say that state updates are merged? |
| How does JSX prevent Injection Attacks? |
| How is Virtual-DOM more efficient than Dirty checking? |
| How would you debug an issue in react code? What debugging tools have you used? |
| How is ReactJs different from AngularJS? |
| How would you structure a React application? |
| How does React know when to re-render App component if we handle window resizing in useWindowSize? |
| How to prevent components from re-rendering? |
| How would you optimise the performance of a React application? |
| How Relay is different from Redux? |
| How does node.js work? |
| How does Node.js violate the issue of blocking I / O operations? |
| How can I access the last expression in Node.js? |
| How to Avoid Calling on Node.Js |
| How many streams are there in Node.Js? |
| How does Node.js handle the youngster strings? |
| How do you add react navigation to react native? |
| How do you change the view height dynamically in react native? |
| How do you pass props from one screen to another in react native? |
| How do you use props in react native? |
| How to call web service in React Native? |
| How to create a SQLite database in react native? |
| How to create stack of screens in react native? |
| How to create stackNavigator in react native? |
| How to handle multiple platforms in React native? |
| How to import components in React Native? |
| How to install a specific version of React Native? |
| How to install react native? |
| How to load data from server in React Native? |
| How to navigate from one page to another in react native? |
| How to run react native app on Android? |
| How to store data in AsyncStorage in react native? |
| How to update react native with latest version? |
| How to use Axios in react native? |
| How to use firebase in react native? |
| How to use map function in React Native? |
| How to use the camera in React Native? |
| How to use typescript in react native? |
| How Virtual Dom works in React Native? |
| How to create components? |
| How to bind methods or event handlers in JSX callbacks? |
| How to pass a parameter to an event handler or callback? |
| How to create refs? |
| When would you use a Class Component over a Functional Component? |
| When should you use the top-class elements for the function element? |
| When to use a Class Component over a Function Component ? |
| Where would you put AJAX calls in your React code? |
| Where can we use node.js? |
| Who is using react native? |
| Difference between Angularjs & nodejs ? |
| Difference - component and an element in React. |
| Difference - Hot Reloading and Live Reloading in React Native? |
| Difference - React and React Native? |
| Difference - ShadowDOM and VirtualDOM? |
| Difference - State and props? |
| Difference - Element vs Component? |
| Difference - HTML vs React event handling? |
| Difference - state vs props ? |
| In ReactJS, why there is a need to capitalize on the components? |
| After successfully installed the Node.js on the system which of the below command can be used to update NPM version? |
| Can we make changes inside child components? |
| Can you force a React component to rerender without calling setState? |
| Can Redux only be used with React? |
| Can you access the DOM terminal? |
| Can you specify steps that can be single-tuned in Node.js? |
| Can a user access the DOM? |
| Can we combine Android or iOS code in react native? |
| Can we use react native for web? |
| Characterize the idea of the test pyramid. Disclose the procedure to execute them regarding HTTP APIs. |
| Clarify libuv. |
| Clarify the idea of middleware in Node.js? |
| Clarify the working of the control stream work. |
| Clarify the idea of stub in Node.js. |
| Clarify the reason for the ExpressJS bundle? |
| Clarify the use of a cradle class in Node.js? |
| Clarify stream in Node.js alongside its different kinds. |
| Clarify affixing in Node.js. |
| Clarify the event Loop in Node Js? |
| Consider the below code snippet: |
| Consider the code snippet |
| Consider the code below written for connection the MYSQL database |
| Describe how events are handled in React. |
| Do you know what the reconciliation algorithm is? |
| Do you specify the structure commonly used in node.js? |
| Does the node run in windows? |
| Event-driven programming definition. |
| For Node.js, why Google utilizes the V8 motor? |
| Guess the output of below code snippet? |
| Is it possible to display props on a parent component? |
| Is setState() async? Why? |
| Is it mandatory to define constructor for React component? |
| Is setState() is async? Why is setState() in React Async instead of Sync? |
| Is it ref argument available for all functions or class components? |
| Is it possible to nest JSX elements into other JSX elements? |
| Is Node.js is front end/back end? |
| Is it possible to evaluate expressing in Nodejs? |
| Is it possible to use the same code base for both Android and iOS in React Native? |
| Is React Native a Mobile App? |
| js asynchronous/ synchronous? |
| List down the advantages of React Router. |
| List the tools and IDEs used for Node.js. |
| List some of the benefits of using Node.js. |
| List the instructions in the Control Flow process. |
| List attribute of package.json? |
| List the most common commands used in React Native? |
| Mention the key benefits of Flux? |
| mymodule = require(“./mymodule”); mymodule(); |
| Node js single threaded/multi-threaded? |
| Node.js state that can be used. |
| React has something called a state. What is it and how it is used? |
| React unit tests vs integration tests for components. |
| React - changing an uncontrolled input |
| React - uncaught TypeError: Cannot read property 'setState' of undefined |
| React / JSX Dynamic Component Name |
| React “after render” code? |
| React + Redux - What's the best way to handle CRUD in a form component? |
| React Js conditionally applying class attributes |
| React js onClick can't pass value to method |
| React JS onClick event handler |
| React JSX: Access Props in Quotes |
| React JSX: selecting “selected” on selected |
| React Native on Android failed to find Build Tools |
| React Router with optional path parameter |
| React this.setState is not a function |
| React.js - access to component methods |
| React.js: Identifying different inputs with one onChange handler |
| React.js: Wrapping one component into another |
| React: How do I update state.item[1] on setState? (with JSFiddle) |
| React: when to use ES6 class based components vs. functional ES6 components? |
| ReactJS - Does render get called any time “setState” is called? |
| Reactjs convert to html |
| Reactjs setState() with a dynamic key name? |
| ReactJS SyntheticEvent stopPropagation() only works with React events? |
| ReactJS: Modeling Bi-Directional Infinite Scrolling |
| React-Native - Custom navigation with Navigator component |
| React-Native: Application has not been registered error |
| react-router - pass props to handler component |
| React-Router : What is the purpose of IndexRoute? |
| React-router urls don't work when refreshing or writting manually |
| Rundown down the errands which ought to be done non concurrently utilizing the occasion circle? |
| Rundown down the means utilizing which “Control Flow” controls the capacity brings in Node.js? |
| Rundown down the significant security executions inside Node.js? |
| Rundown down the two contentions that async. Does the line take as much information? |
| Select the object data modeling library for MongoDB used in node application? |
| Separate between the process.nextTick() and setImmediate()? |
| STATE TRUE or FALSE – The ‘querystring’ module in node.js provides methods for parsing and formatting URL query strings. |
| Streams should be preferred in which of the following situations |
| The difference between functional and programmer errors in the context of Node.js. |
| The statement is true regarding the TCP server? |
| The correct statement regarding npm |
| Types of API functions in Node.js? |
| What’s the difference between an Element and a Component in React? |
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