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What is the Difference between PHP, Node JS, and Python?

What are Pure Functions in JavaScript?
What is hoisting in JS?
How does JavaScript work?
What is the difference between let, var, and const?
What is an event loop?
Difference between Local Storage, Session Storage, and Cookies?
What are generator functions? to control the flow of execution and create iterable sequences of values?
What is the difference between setTimeout and setInterval?
What do you mean by "rest and spread operator"?
What is meant by Shallow Copy and Deep Copy?
What are closures?
What is the difference between a promise and a callback?
What are arrow functions in JavaScript?
Explain About ES6 features?
What is the difference between the ES6 and ES5 standards?
What is currying in JavaScript?
What is a temporal dead zone?
What are Event bubbling and Event Capturing in JavaScript?
What is a mutation observer?
Falsy values in JavaScript?
Object.seal vs Object.freeze?
Explain Call, Bind, and Apply in JavaScript with examples.
Explain Higher Order Functions in JavaScript.
Explain Scope and Scope Chain in JavaScript.
What are Object Prototypes?
What are Callbacks?
What is the difference between PUT, POST, and PATCH?
What is IIFE in JS explain with an example.
What are synthetic events?
How does React work?
What is the distinction between client-side and server-side rendering?
Why use React instead of other frameworks, like Angular, or VueJS?
What is reconciliation?
What is the Virtual DOM?
How to Optimize React App?
What is React Fiber?
What are React Portals?
What is useReducer in React?
What are Error Boundaries?
What is Profiler in React JS?
Why is there a need for using keys in lists?
What are the differences between controlled and uncontrolled components?
What is prop drilling in React?
What are custom hooks? Create a hook.
Explain Strict Mode in React.
How do I pass data between Child to Parent react components?
Difference between a class Component and a Functional Component?
What are the hooks, you have used?
What is the purpose of useCallback, useMemo and React.memo, what is the difference?
Explain Forwarding Refs in React.
What are Class-based lifecycle methods?
Difference between Debounce and Throttle, and how to implement?
How would you be able to achieve componentDidMount, componentDidUpdate, & componentDidUnMount in a functional-based component?
What are pure components and what is their purpose?
What are higher-order components?
What HODs have you used? Write an example.
Have you used the context API? Explain it.
We already have state management in React, so why so for Redux?
How does Redux work?
Have you used any middleware?
How to Write Unit Tests in React?
Explain the CORS error and how to fix it.
Explain the concept of “lifting up in React”.
How can we change props in React?
Is setState() method synchronous or asynchronous?
How to Handlers Async Events in React?
What are Async Event Handlers in React?
Can we setState through the onClick event in React?
Latest version of React JS, What features in Latest React version?
What is the difference between Promises and Observables?
What is formik in react?
What is Batching in react?
How to optimize performance in react
Create a Hello World app in Node JS.
Create a Hello World app in Express JS.
What is Tracing in Node.js?
What is the Reactor Pattern in Node.js?
Manage API Version in an Express App
How To Run Multiple Versions of Node.js with Node Version Manager.
What is the child process in node js explain?
What is the cluster in node js?
What is eventemitter in node js?
How to upload files in node js API.
What is the global object in node JS?
What is the stream in node JS?
What is the buffer in node JS?
Explain JWT authentication in Node JS.
What is an n +1 query?
What is the Difference between PHP, Node JS, and Python?
What is the difference between setimmediate, settimeout and process.nexttick?
What is Unit test case and what is test coverage?
What is Aggregation in MongoDB explain.
Explain relationships in MongoDB.
What is Sharding?
What is Replication?
What are the indexing limitations in MongoDB?
MySQL vs MongoDB explains, which database we need to choose for our application and why
Explain transactions in MongoDB
What are ASID properties in MongoDB?
What is Replication in MongoDB?
What is sharding in MongoDB?
How the ObjectId work in MongoDB?
What is Capped Collection in MongoDB?
What is the output? Problem #1
Have a form loaded with initial data and the submit button is disabled, make it enabled if anything updates in form
Sort the data according to sortingOrder Problem #3
Complete the createToggle function Problem #4
Guess the output #1
Guess the output #2
Solve the problem using spread operator #3
Guess the output #4
CSS to SCSS Conversion, Simplifying Complex Selectors with Nesting
Whats are Semantics tags and why we need these tags?
What is DOCTYPE in HTML and How it's help?

What is the Difference between PHP, Node JS, and Python?

PHP

  • Purpose: Mostly used for web development and server-side scripting. 
  • Strengths:
    • On a big scale, it is supported by web hosting services.
    • It is easily integrated with HTML.
    • Lots of built-in web development features.
  • Weaknesses:
    • Slow performance compared to other modern alternative technologies.
    • History always criticized for inconsistent syntax and security vulnerabilities.

Node JS

  • Purpose: 
  • Strengths: 
  • Weaknesses: 

 

 

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