JavaScript: (for the answer of these javascript Questions Click here)
- Can you provide an overview of your experience with JavaScript?
- Is JavaScript a statically or dynamically typed language?
- Can you explain the difference between the slice and splice methods in JavaScript?
- Why do we use both the POST and GET methods in HTTP, and is it possible to perform all actions using only POST?
- Can you provide an overview of how promises work in JavaScript?
- Can you highlight some of the new features introduced in JavaScript ES6?
- Can you provide an example of class inheritance in JavaScript?
- Can you describe the event loop in Node.js and how it works?
- Is Node.js a single-threaded or multi-threaded language?
- Can you compare and contrast the map and forEach methods in JavaScript?
- What is the difference between JSON and BSON?
- Can you define what a callback function is in JavaScript?
- Can you explain the concept of callback hell in JavaScript?
- Can you compare and contrast Angular and React?
- Can you explain the concept of the Document Object Model (DOM)?
- Can you differentiate between the virtual DOM and the real DOM in React?
- Can you describe the differences between the find and filter methods in JavaScript?
- How can we find the index of an element in an array in JavaScript?
- Can you describe different techniques for removing elements from an array in JavaScript, and how can we count the number of keys or properties in an object?
- How can we delete a property from an object in JavaScript, and how can we generate a random number?
- Can you explain the difference between the spread operator and rest operator in JavaScript?
React:(for the answer of these React Questions Click here)
- Can you provide an overview of your experience with React?
- Can you explain the purpose of the ref attribute in the lifecycle of a functional component in React?
- Can you explain the purpose and use of the Context API in React?
- How does Redux differ from the useState hook in React, and when should we use one over the other?
- Can you describe the different types of components in React?
- Can you explain the concept of a virtual DOM in React and its benefits?
- Is the shadow DOM the same as the virtual DOM?
- Can you list some common lifecycle methods in React?
- Can you explain the concept of a pure component in React?
- Can you describe the constructor in a React component and its purpose?
- Can you explain the concept of data dependency injection in React?
- Can you differentiate between function-based and class-based components in React?
- Can you explain the differences between the useMemo and useRef hooks in React?
- Can you list five popular libraries for React?
- What is the useState method in React?
NodeJS:(for the answer of these NodeJS Questions Click here)
- Can you provide an overview of your experience with Node.js?
- Can you explain the concept of middleware in Node.js?
- Can you describe the concept of a pipeline in Node.js?
- Can you explain the purpose of the Buffer class in Node.js?
- Can you explain the purpose of the module.exports object in Node.js?
- How can we access the resolved value of a promise in Node.js if one of the functions within the promise chain throws an error?
MongoDB: (for the answer of these MongoDB Questions Click here)
- Can you provide an overview of your experience with MongoDB?
- Can you explain the concept of indexing in MongoDB and how it can improve query performance?
- Can you describe the purpose of aggregation in MongoDB and why it was introduced?
- How can we merge two collections in MongoDB?
- What is CORS and how does it relate to MongoDB
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