How do Bootstrap's classes and components interact with JavaScript frameworks like React or Angular?
- They seamlessly integrate with no additional steps
- They require a separate adapter for compatibility
- They are not compatible at all
- Compatibility depends on the specific components used
When using Bootstrap with React or Angular, a separate adapter is needed to ensure smooth integration. This is because the two operate differently, and Bootstrap components may need additional handling in the respective frameworks.
How does Bootstrap ensure accessibility in dynamic content updates, such as in modals or alerts?
- By using inline styles
- By applying ARIA attributes
- By relying solely on JavaScript
- By using fixed pixel values
Bootstrap ensures accessibility in dynamic content updates by applying ARIA attributes. These attributes provide additional information to assistive technologies, making the content more understandable and navigable for users with disabilities.
In complex layouts, ScrollSpy's default offset can be adjusted using the '___' option.
- offset
- target
- threshold
- position
The correct option is offset. In complex layouts, you can adjust ScrollSpy's default offset by using the 'offset' option, allowing you to fine-tune when items are marked as active during scrolling.
The utility class 'text-___-center' in Bootstrap is used for centering text on specific screen sizes.
- justify
- align
- xs
- sm
In Bootstrap, the class 'text-{sm or xs}-center' is used to center text on specific screen sizes. The 'sm' and 'xs' refer to small and extra-small screen sizes, respectively.
What Bootstrap class is used to group form controls and labels for inline forms?
- 'form-horizontal'
- 'form-inline'
- 'form-group'
- 'inline-group'
The 'form-inline' class is used in Bootstrap to create inline forms, grouping form controls and labels horizontally. 'form-group' is used for vertical grouping in regular forms.
For responsive font sizes, Bootstrap uses the class 'fs-___'.
- lg
- responsive
- auto
- 5
In Bootstrap, the class 'fs-lg' is used for responsive font sizes. The 'lg' represents large, and it adjusts the font size based on the screen size.
How do you apply zebra-striping to a table in Bootstrap?
- .table-striped
- .table-zebra
- .table-stripe
- .table-hover
Zebra-striping is applied using the .table-striped class in Bootstrap. This class adds a light background color to odd rows, providing a striped appearance to the table. It enhances readability and visual appeal.
Describe the steps to create a custom loading animation in Bootstrap that activates while data is fetched from a server.
- loader, loading-animation, custom-loader, loader-animate
- loader, spinner, loading, spinner-animate
- custom-loader, loader-spin, spin, loader-animate
- spinner, loader, loading, loader-spin
To create a custom loading animation in Bootstrap for server data fetching, apply the 'spinner' class. This class, combined with 'loader' and 'loading,' ensures a visually appealing spinner animation during the data retrieval process.
For creating a collapsible content area, Bootstrap uses the ___ component.
- Collapse
- Accordion
- Modal
- Dropdown
Bootstrap's Collapse component is used to create a collapsible content area. It allows you to toggle the visibility of content with smooth animations. The Collapse component is commonly employed to create collapsible navigation bars or dropdown menus.
Q2. How would you address performance issues in a web application with heavy JavaScript usage?
- Minify and Bundle JavaScript
- Implement Server-Side Rendering (SSR)
- Optimize DOM Manipulation
- Use Asynchronous Loading
Minifying and bundling JavaScript files reduce their size, lowering the time it takes to download and execute them. This is crucial for improving the performance of web applications with heavy JavaScript usage, enhancing user experience.