Willsys Infosystems Front end Web Developer Interview Questions and Answers

Q1. 1. What is redux? 2. What are useRefs
Ans. 
Redux is a predictable state container for JavaScript apps. useRef is a hook in React for accessing DOM nodes.
• Redux is a state management library for JavaScript applications

• It helps in managing the state of an application in a predictable way

• Redux follows a unidirectional data flow pattern

• useRef is a hook in React that allows accessing DOM nodes or any other mutable value

• It returns a mutable ref object that persists ac
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Q2. What is destructuring
Ans. 
Destructuring is a way to extract values from arrays or objects and assign them to variables.
• Destructuring can be used with arrays and objects

• It allows you to extract values and assign them to variables in a single line of code

• You can also use default values and rename variables during destructuring

• Example: const [a, b] = [1, 2]; // a = 1, b = 2

• Example: const {name, age: years} = {name: 'John', age: 30}; // name = 'Joh
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Q1. What is store in react
Ans. 
Store in React is a centralized state management system.
• Store holds the state of the application.

• It allows components to access and update the state.

• Redux is a popular store implementation for React.

• Context API is another built-in store in React.

• Store helps in managing complex state and makes debugging easier.
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Html,css,javascript,reactjs,php,laravel.bootstrap

Q1. Why we use reactjs? and javascript
Ans. 
ReactJS is used for building interactive user interfaces, while JavaScript is the programming language that powers web development.
• ReactJS allows for component-based architecture, making it easier to manage and update UI elements.

• ReactJS uses a virtual DOM for efficient rendering, improving performance.

• JavaScript is the language used to add interactivity and dynamic behavior to web pages.

• JavaScript is essential for cli...read more
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Q2. This is use fro single page web aplication or real time.
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The disscus is some problems slove software coading and front end development

Use coading of software coading and web developer

HTML5
CSS
javascript
All projects

Q1. Html all CSS all Javascript all Projects
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Q2. Create a landing page that is animated
Ans. 
Create a visually appealing landing page with animations to engage users.
• Use CSS animations to create movement and transitions

• Incorporate interactive elements like hover effects or scrolling animations

• Consider using JavaScript libraries like GSAP or Anime.js for more complex animations
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Q3. Create a page that changes color when clicked
Ans. 
Create a page that changes color when clicked
• Create a basic HTML page with a button or div element

• Use JavaScript to add an event listener for the click event

• Inside the event listener function, change the background color of the page
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Q4. Create a page that moves
Ans. 
Create a page that moves
• Use CSS animations or transitions to create movement

• Consider using JavaScript for more complex animations

• Experiment with different types of movement such as sliding, fading, or rotating
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Q5. Create a home page that looks like a real website
Ans. 
I will create a visually appealing home page with a professional design and user-friendly layout.
• Use a clean and modern design with a consistent color scheme

• Include a navigation menu for easy access to different sections

• Add engaging visuals such as images or videos to capture user attention

• Incorporate responsive design to ensure compatibility with various devices
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