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IDC Technologies Front end Developer Interview Questions and Answers for Freshers
IDC Technologies Front end Developer Interview Experiences for Freshers
1 interview found
I applied via Approached by Company and was interviewed in Jul 2023. There were 2 interview rounds.
(2 Questions)
- Q1. What are the version of HTML and CSS ?
- Ans.
HTML has versions like HTML4, HTML5, XHTML. CSS has versions like CSS1, CSS2, CSS3.
HTML versions include HTML4, HTML5, and XHTML
CSS versions include CSS1, CSS2, and CSS3
HTML5 is the latest version with new features like semantic elements and multimedia support
CSS3 introduced new features like animations, transitions, and media queries
- Q2. How Document Object Model works ?
- Ans.
The Document Object Model (DOM) is a programming interface for web documents. It represents the structure of a document as a tree of objects.
DOM is a platform and language-neutral interface that allows programs and scripts to dynamically access and update the content, structure, and style of a document.
It provides a structured representation of the document as a tree of objects, where each node represents a part of the...
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I applied via Company Website and was interviewed in Feb 2021. There was 1 interview round.
Interview Questionnaire
3 Questions
- Q1. Questions like CSS box model, semantic html, javascript closure
- Q2. Questions about bootstrap framework, Have you done any project's on these technologies?
- Q3. What is pseudo classes and element?
- Ans.
Pseudo classes and elements are used in CSS to style elements based on their state or position in the document.
Pseudo classes are used to style elements based on their state, such as :hover, :active, and :focus.
Pseudo elements are used to style specific parts of an element, such as ::before and ::after.
Pseudo classes and elements are denoted by a colon or double colon before the name.
They can be used to add special eff...
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I applied via Approached by Company and was interviewed in Feb 2024. There was 1 interview round.
(4 Questions)
- Q1. What is bridge? What is the new architecture?
- Ans.
Bridge is a structural design pattern that decouples an abstraction from its implementation. The new architecture refers to modern design patterns and technologies used in software development.
Bridge pattern allows the client code to work with different implementations of an interface independently.
The new architecture in front end development may include concepts like component-based architecture, state management lib...
- Q2. How will you optimize a react native app
- Ans.
Optimizing a React Native app involves reducing bundle size, improving performance, and enhancing user experience.
Use code splitting to reduce initial load time
Optimize images and assets for smaller file sizes
Implement lazy loading for components that are not immediately visible
Minimize the use of third-party libraries and only include necessary dependencies
Utilize performance monitoring tools like React Native Perform
- Q3. What is context API
- Ans.
Context API is a feature in React that allows sharing data between components without having to pass props through every level of the component tree.
Context API provides a way to pass data through the component tree without having to pass props down manually at every level.
It is useful for sharing global data such as themes, user authentication, or language preferences.
Context API consists of three main parts: Provider...
- Q4. What is hoisting
- Ans.
Hoisting is a JavaScript mechanism where variable and function declarations are moved to the top of their containing scope during compilation.
Variable declarations are hoisted to the top of their scope, but not their initializations.
Function declarations are fully hoisted, including their definitions.
Hoisting can lead to unexpected behavior if not understood properly.
Skills evaluated in this interview
Selected
I appeared for an interview before Jun 2023.
Create 1 webpage using html, css, js, scss - xd provided
(7 Questions)
- Q1. Doctype in html
- Ans.
Doctype in HTML specifies the version of HTML being used in the document.
Doctype declaration is placed at the very beginning of an HTML document before the <html> tag.
It helps the browser to render the web page correctly by specifying the version of HTML being used.
Example: <!DOCTYPE html> for HTML5, <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-tr
- Q2. What is Flexbox in css
- Ans.
Flexbox is a layout model in CSS that allows you to design complex layouts with a more efficient and predictable way.
Flexbox is used for creating flexible and responsive layouts.
It allows you to align and distribute space among items in a container.
Flexbox properties include display: flex, flex-direction, justify-content, align-items, and more.
Example: display: flex; justify-content: center; align-items: center;
- Q3. Document.ready and window.onload difference
- Ans.
Document.ready is a jQuery function that fires when the DOM is ready, while window.onload is a vanilla JavaScript event that fires when all resources have loaded.
Document.ready is specific to jQuery, while window.onload is a standard JavaScript event.
Document.ready fires when the DOM is ready, even if images are still loading, while window.onload waits for all resources to finish loading.
Document.ready is faster than w...
- Q4. Position properties in css
- Ans.
Position properties in CSS control the positioning of elements on a webpage.
The 'position' property specifies the type of positioning method used for an element (static, relative, absolute, fixed, or sticky).
The 'top', 'right', 'bottom', and 'left' properties can be used to adjust the position of an element relative to its containing element.
Examples: position: relative; top: 10px; left: 20px;
- Q5. Box model in css
- Ans.
Box model in CSS refers to the way elements are rendered on a webpage, including content, padding, border, and margin.
The box model consists of content, padding, border, and margin.
Content is the actual content of the element.
Padding is the space between the content and the border.
Border is the line that surrounds the padding.
Margin is the space outside the border.
You can adjust the size of each part of the box model u...
- Q6. Semantic tags in html
- Ans.
Semantic tags in HTML are specific tags that provide meaning to the content they enclose.
Semantic tags help search engines and screen readers understand the structure of a webpage.
Examples of semantic tags include <header>, <footer>, <nav>, <article>, <section>, <aside>, <main>, <figure>, <figcaption>.
Using semantic tags improves SEO and accessibility of a website.
- Q7. Display properties
- Ans.
Display properties are used in CSS to control the layout and appearance of elements on a webpage.
Display property determines how an element is displayed on the page
Common values include 'block', 'inline', 'inline-block', 'flex', 'grid', 'none'
Example: display: block; will make the element a block-level element
(3 Questions)
- Q1. What is Flexbox in css
- Ans.
Flexbox is a layout model in CSS that allows for the design of complex responsive layouts with a more efficient and predictable way.
Flexbox is used to create flexible and responsive layouts.
It allows for easy alignment and distribution of space among items in a container.
Flexbox properties include display: flex, flex-direction, justify-content, align-items, and more.
Example: display: flex; justify-content: center; alig...
- Q2. Box sizing difference and scenario
- Ans.
Box sizing property in CSS determines how the total width and height of an element is calculated.
Content-box: width and height only include the content, padding and border are added on top.
Border-box: width and height include content, padding, and border.
Use content-box when you want to specify the width and height of the content area only.
Use border-box when you want to specify the width and height of the entire box i
- Q3. Bootstrap grid and flex
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Skills evaluated in this interview
Selected
(2 Questions)
- Q1. React js Basic Question
- Q2. Coding Question Giving API to call and show in UI
(1 Question)
- Q1. Prev job exp details
I applied via Naukri.com and was interviewed in Sep 2024. There was 1 interview round.
(1 Question)
- Q1. Javascript question
Front end Developer Interview Questions & Answers
Bounteous x Accolite
Anonymous
posted on 6 Oct 2022
I applied via LinkedIn and was interviewed in Sep 2022. There was 1 interview round.
(2 Questions)
- Q1. Clousers in Javascript
- Ans.
Closures are functions that have access to variables in their outer scope, even after the outer function has returned.
Closures are created when a function is defined inside another function.
The inner function has access to the outer function's variables and parameters.
Closures can be used to create private variables and methods.
Closures can also be used to create functions with pre-set arguments.
- Q2. Difference between use ref and create ref
- Ans.
useRef is a hook used to create a mutable ref object, while createRef is a method used to create a ref object.
useRef is a hook provided by React, while createRef is a method provided by the React library.
useRef can be used in functional components to create a mutable ref object that persists across renders.
createRef is used in class components to create a ref object that can be attached to a DOM element.
useRef can also...
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Front end Developer Interview Questions & Answers
Bounteous x Accolite
Anonymous
posted on 11 Jun 2024
(2 Questions)
- Q1. Angular basics regarding lifecycle hooks, rxjs, data bindingetc
- Q2. Coding to find the common characters comparing 3 strings
- Ans.
Finding common characters in 3 strings using coding
Create a function that takes in 3 strings as input
Iterate through each character of the first string and check if it exists in the other 2 strings
Store the common characters in an array and return it
Skills evaluated in this interview
(1 Question)
- Q1. ES6 concepts, React js over all concepts
(1 Question)
- Q1. ES6 concepts, coding
(1 Question)
- Q1. Challenges, about current project
(1 Question)
- Q1. General questions and joining formalities
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