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Bootstrap Interview Questions Bootstrap FAQ
Hi, Welcome to Monopoly IT Solutions, our Interview Questions / FAQs can be very helpful for interview preparation in several ways:
- Understanding the way how Questions are asked by interviewer
- Practicing Answers, find our appropriate ways of answeringand excel the interview
- Gaining Insight into the industry standard
- Reducing Anxiety of Interview
- Self analysis of Key Skills
Following are the conceptual theory questions
- Bootstrap is a popular, open-source front-end framework used for designing responsive and mobile-first websites. It provides a collection of tools, pre-designed components, and utilities that streamline web development, enabling developers to create consistent and visually appealing user interfaces efficiently.
- Saves Time: Reduces the need for writing custom CSS and JavaScript from scratch.
- Consistency: Ensures uniformity in design across different pages and devices
- Accessibility: Designed with accessibility in mind to make sites usable by all.
- - Responsive Grid System
- - Pre-designed Components
- - Customizable
- - Utility Classes
Updated Grid System
- Bootstrap 4: Had a 12-column grid system with predefined breakpoints like xs, sm, md, lg, and xl.
- Bootstrap 5: Introduced an extra-large breakpoint (xxl) for ultra-wide screens (≥1400px) and row-cols-* classes for more flexibility in creating layouts without specifying column widths explicitly.
Updated Icons
- Bootstrap 4: Did not include its own icon library, requiring third-party solutions like FontAwesome.
- Bootstrap 5: Introduced an official Bootstrap Icons library, providing over 1,000 free, open-source icons.
- 1.Using a CDN (Content Delivery Network)
- 2.Download and Use Locally
- In Bootstrap 5, a container is a fundamental layout element used to wrap content and center it horizontally within the viewport. Containers provide structure and responsive behavior for your layout.
- Types of Container:
- .container Provides a fixed-width container that adjusts its size based on the breakpoints (e.g., sm, md, lg, etc.).
- .container-fluid Provides a full-width container that spans the entire width of the viewport, regardless of screen size.
- Utility classes in Bootstrap 5 are single-purpose helper classes that provide predefined, reusable styles for common CSS properties, such as spacing, color, typography, positioning, and more. These classes are designed to speed up development and reduce the need to write custom CSS.
- The d-flex, d-inline-flex, and d-grid utility classes are used in CSS frameworks like Bootstrap to define the display property of an element, controlling how it and its children behave in the layout.
- d-flex
- Makes the element a flex container.
- Its child elements are laid out using the flexbox model.
- By default, the element behaves like a block element (i.e., it spans the full width available) unless constrained by a parent or specific width settings.
- d-inline-flex
- However, the element behaves like an inline element (it does not span the full width and sits inline with other elements if there’s space).
- d-grid
- Child elements are laid out using the CSS Grid layout model, which allows for two-dimensional (rows and columns) layout management.
- 1. Using CSS Grid with Bootstrap’s Grid System
- 2. Using Bootstrap’s Utility Classes for Responsiveness
- 3. Using Bootstrap 5’s Flexbox with CSS Grid
- Purpose of .row-cols-* Classes
- The .row-cols-* classes are used to define how many columns should be displayed within a .row at a given breakpoint. These classes work by specifying the number of columns that should be rendered based on the available space, automatically adjusting the column widths based on the number of columns specified.
Following are the Practical based questions
