To adjust the default grid system in Bootstrap, modify the ___ variables in Sass.
- layout
- grid
- container
- grid-system
To customize the default grid system in Bootstrap, you need to modify the "grid" variables in Sass. These variables control the grid layout, such as column widths, gutter widths, and breakpoints.
Bootstrap's '___' class can be dynamically updated with AJAX to display loading states.
- loader
- loading
- spin
- active
Bootstrap's 'loading' class is designed to be dynamically updated with AJAX to indicate loading states. By applying this class, you can visually signal to users that content is being loaded asynchronously.
How does Bootstrap facilitate keyboard navigation for accessible components?
- Utilizes the tabindex attribute
- Changes the font style for keyboard-focused elements
- Hides elements from keyboard navigation
- Adjusts the page layout based on keyboard input
Bootstrap ensures keyboard navigation for accessible components by using the tabindex attribute. This attribute specifies the order in which elements are navigated when the user presses the 'Tab' key, making it easier for keyboard users to interact with Bootstrap components.
Bootstrap recommends using the ___ role for alert dialogues to ensure accessibility.
- role="alert"
- role="dialog"
- aria-label="alert"
- aria-live="assertive"
In Bootstrap, the recommended role for alert dialogues is role="alert" to ensure proper accessibility. The role="alert" attribute is used to communicate important and time-sensitive information to users with screen readers.
Utilizing __________ for Bootstrap JavaScript components can improve user experience by loading non-essential features later.
- Async
- Synchronous
- Deferred
- Immediate
Utilizing deferred loading for Bootstrap JavaScript components allows non-essential features to be loaded later, improving the overall user experience. Deferred loading means that certain components are loaded after the main content, reducing initial page load times. This is beneficial for websites where certain JavaScript features are not critical for the initial user interaction.
Q3: Describe how you would use Bootstrap's grid system to create a responsive gallery layout.
- col-lg-3 col-md-4 col-sm-6
- col-lg-3 col-md-6 col-sm-12
- col-lg-4 col-md-4 col-sm-6
- col-lg-4 col-md-6 col-sm-12
To create a responsive gallery layout in Bootstrap, use 'col-lg-4' for large screens, 'col-md-6' for medium screens, and 'col-sm-12' for small screens. This combination ensures a flexible and visually appealing gallery that adapts to various device sizes.
What are the benefits of using Sass maps in Bootstrap for managing complex collections of variables?
- Improved performance
- Enhanced readability
- Easier maintenance
- Better organization
Sass maps provide a structured way to manage variables in Bootstrap, leading to enhanced readability, easier maintenance, and better organization of complex collections.
How does optimizing image sizes and formats in a Bootstrap-based website affect load times?
- Reduces load times by minimizing file sizes and improving performance
- Increases load times by adding unnecessary overhead
- Doesn't affect load times significantly
- Improves load times by increasing file sizes
Optimizing images in a Bootstrap-based website involves reducing file sizes and choosing efficient formats, which, in turn, enhances performance by reducing load times.
For a seamless integration with Angular, Bootstrap's ___ classes should be utilized within Angular components.
- Utility
- Grid
- Flex
- Input
Bootstrap's grid classes should be utilized within Angular components to ensure a seamless integration. Bootstrap's grid system provides a responsive layout that can adapt to different screen sizes, making it a suitable choice for Angular applications. This allows developers to create consistent and flexible designs.
Can Bootstrap JS components be customized independently of Bootstrap CSS? How?
- Yes, through modifying JS files directly
- No, customization is tightly coupled with CSS
- Yes, by overriding default settings using JavaScript
- Only through the use of third-party plugins
Bootstrap JS components can be customized independently by using JavaScript to override default settings. This allows developers to tailor the behavior of specific components without altering the overall styling defined by Bootstrap CSS.