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Brain Vision Technology UI Developer Interview Questions and Answers
Brain Vision Technology UI Developer Interview Experiences
1 interview found
Anonymous
(2 Questions)
- Q1. What is use of javascript?
- Ans.
JavaScript is a programming language used to create interactive and dynamic web pages.
JavaScript is used for client-side scripting to add interactivity to web pages.
It can be used for form validation, creating animations, and manipulating HTML and CSS.
JavaScript can also be used for server-side scripting with Node.js.
It is a popular language for building web applications and mobile apps.
JavaScript frameworks like React...
- Q2. What is angular? , what is use of javascript?, what is hosting? , what is closer? etc
- Ans.
Angular is a JavaScript framework for building web applications. JavaScript is a programming language used for creating interactive web pages. Hosting refers to the process of making a website accessible on the internet. A closure is a function that has access to variables in its outer scope.
Angular is a front-end framework used for building dynamic web applications.
JavaScript is a programming language that allows deve...
Interview Preparation Tips
Skills evaluated in this interview
UI Developer Jobs at Brain Vision Technology
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Interview Questionnaire
2 Questions
- Q1. I joined cognizant as a fresher, so jat be confident about one programing language and try to solve basic fundamental programming and oops concept along with sql knowledge
- Q2. I was asked for the Armstrong that l did and about hierarchy and structure
Interview Preparation Tips
I applied via Recruitment Consultant and was interviewed before Jul 2020. There were 4 interview rounds.
Interview Questionnaire
3 Questions
- Q1. Components of extjs
- Ans.
ExtJS is a JavaScript framework for building web applications with rich user interfaces.
ExtJS has a wide range of components including grids, forms, trees, charts, and more.
Components can be customized with themes and plugins.
Some popular ExtJS components include GridPanel, FormPanel, and TreePanel.
ExtJS also includes a powerful data package for managing data in components.
Components can be easily integrated with other
- Q2. How to fetch value using different methods
- Ans.
Different methods to fetch values in UI development
Using document.getElementById() to fetch value by element ID
Using document.querySelector() to fetch value by CSS selector
Using event.target.value to fetch value from input fields
Using AJAX to fetch data from server
Using local storage to fetch stored values
- Q3. Grid events and structures of basis form
- Ans.
Grid events and structures are essential for UI development.
Grid events are actions that occur when a user interacts with a grid, such as clicking a cell or scrolling.
Grid structures refer to the layout and organization of the grid, including columns, rows, and headers.
Examples of grid events include onCellClick, onRowSelect, and onScroll.
Examples of grid structures include columnDefs, rowData, and headerHeight.
Interview Preparation Tips
Skills evaluated in this interview
I appeared for an interview in Aug 2017.
Interview Preparation Tips
Experience: All questions related to HTML, CSS, Bootstrap, Javascript, JQuery and Angular jS
Duration: 30 minutes
Total Questions: 20
Round: Technical Interview
Experience: They ask all Technical Questions which are based on our skills mentioned in CV.
amrith raj Nalam
I applied via Approached by Company and was interviewed in May 2024. There were 2 interview rounds.
(3 Questions)
- Q1. Given UI task display like display boxes side by side in desktop screen and one after the other in mobile screen using media queries?
- Q2. Explain difference between authorization vs authentication?
- Ans.
Authentication verifies a user's identity, while authorization determines what a user can access.
Authentication confirms a user's identity through credentials like username and password.
Authorization controls access to resources based on the authenticated user's permissions.
Example: Logging into a website (authentication) and then being able to view/edit specific pages based on your role (authorization).
- Q3. How to render list in react? Also explain difference between state vs prop in react?
- Ans.
To render a list in React, use map() function to iterate over an array of data and return a list of components. State is mutable data managed within a component, while props are immutable data passed from parent to child components.
To render a list in React, use map() function to iterate over an array of data and return a list of components.
Example: const items = ['item1', 'item2', 'item3']; items.map(item =>
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(3 Questions)
- Q1. What are the webpage optimization techniques? How to check webpage optimization? In lighthouse optimization reports , how to fix issue related render blocking scripts?
- Ans.
Webpage optimization techniques include minifying CSS and JS files, optimizing images, using asynchronous loading for scripts, and reducing render-blocking scripts.
Minify CSS and JS files to reduce file sizes and improve loading times.
Optimize images by compressing them and using the correct file format (e.g. JPEG for photographs, PNG for graphics).
Use asynchronous loading for scripts to prevent them from blocking the ...
- Q2. Write scss code nested li element by applying background color 2 element and also use mixins?
- Ans.
Use SCSS to apply background color to nested li elements and utilize mixins.
Use nesting to target the li elements within a parent element
Apply background color to the 2nd li element using the :nth-child() selector
Define and use mixins to reuse styles across the codebase
- Q3. How to fix cumulative layout shift issues?
- Ans.
To fix cumulative layout shift issues, ensure all images and media have dimensions specified in HTML, use CSS aspect ratio boxes, and prioritize loading critical resources.
Specify dimensions for all images and media in HTML to prevent layout shifts.
Use CSS aspect ratio boxes to reserve space for images before they load.
Prioritize loading critical resources to avoid sudden layout changes.
Interview Preparation Tips
hypothetically and behavioral questions. After all , simple says rejected?
Skills evaluated in this interview
Selected
I applied via Naukri.com and was interviewed before Nov 2023. There were 3 interview rounds.
Excellent and test related which we worked technology only
(2 Questions)
- Q1. What is different between react and angular?
- Ans.
React is a JavaScript library for building user interfaces, while Angular is a full-fledged framework for web development.
React is a library, while Angular is a framework.
React uses a virtual DOM for better performance, while Angular uses a regular DOM.
React is more flexible and allows developers to choose their own tools and libraries, while Angular has a more opinionated structure.
React is mainly focused on the view ...
- Q2. What is props drilling and higher order component in react. ?
- Ans.
Props drilling is passing props through multiple levels of components. Higher order component is a function that takes a component and returns a new component.
Props drilling involves passing props from a parent component to a deeply nested child component, which can lead to prop pollution and make the code harder to maintain.
Higher order component is a pattern where a function takes a component and returns a new compon...
(2 Questions)
- Q1. Previous projects domain
- Q2. What is role of previous company and some questions related to previous projects
Interview Preparation Tips
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Jan 2023. There were 4 interview rounds.
They was asked me about angular function and javascript
They was asked about ui developer and ui desinging
(2 Questions)
- Q1. She was asked me about salary and documentation
- Q2. She was asked me about form 16 of my previous company.
Interview Questionnaire
4 Questions
- Q1. How to handle performance issues in angular
- Ans.
Performance issues in Angular can be handled by optimizing code, reducing HTTP requests, and using lazy loading.
Optimize code by using trackBy in ngFor loops
Reduce HTTP requests by using caching and pagination
Use lazy loading to load only necessary components
Use AOT compilation to reduce load time
Avoid using ngIf with heavy computations
Use ChangeDetectionStrategy.OnPush to reduce change detection cycles
- Q2. How to create and use custom directive
- Ans.
Custom directives in AngularJS allow you to create reusable components.
Create a new directive using the directive() method
Specify the directive's behavior using the link() method
Use the directive in HTML using its name as an attribute
Pass data to the directive using attributes
Example:
- Q3. How angular works , architecture
- Ans.
Angular is a JavaScript framework for building web applications with a modular architecture.
Angular uses a component-based architecture to build reusable UI components
It uses a declarative approach to define UI elements and their behavior
Angular provides a powerful set of tools for data binding, dependency injection, and routing
It follows the MVC (Model-View-Controller) pattern to separate concerns and improve maintain...
- Q4. ES6 features
Skills evaluated in this interview
(1 Question)
- Q1. Indroduction
Hii
Interview Preparation Tips
BCA:2021
From:Mahatma Gandhi Kashi Vidhyapith Varanasi
Interview Questionnaire
1 Question
- Q1. Questions on routing concepts, advanced html,css and javascript
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