The use of ___ in custom CSS can unintentionally override Bootstrap's responsive utilities.
- !important
- @media
- :not()
- calc()
The correct option is !important. The !important declaration in custom CSS can unintentionally override Bootstrap's responsive utilities. It gives a style rule the highest specificity, making it challenging for other styles to override it. Careful use of !important is crucial to avoid unintended style conflicts with Bootstrap's responsive features.
Which Bootstrap component is used to create a modal dialog box?
- Alert
- Modal
- Popover
- Tooltip
The correct answer is 'Modal.' The Modal component in Bootstrap is used to create a modal dialog box that is displayed on top of the current page. Modals are often used for displaying additional content, forms, or interactive elements. To use a modal, you need to create a
with the class 'modal' and use JavaScript to control its display.
How do you enable HTML content inside a Bootstrap Tooltip?
- data-html="true"
- data-content="html"
- data-toggle="html"
- html="true"
To enable HTML content inside a Bootstrap Tooltip, you use the attribute data-html="true". This allows the tooltip to interpret and display HTML content correctly. Using data-content or data-toggle with "html" won't achieve the desired result.
How does Bootstrap integrate with AJAX to load dynamic content?
- Utilizes the data attribute
- Employs the ajax class
- Utilizes the load method
- Integrates with $.ajax() function
Bootstrap and AJAX integration
In what ways does conducting code reviews improve the maintenance of Bootstrap code?
- Enhanced code quality
- Identification of potential issues
- Knowledge sharing among team members
- Improved team collaboration
Code reviews improve Bootstrap code maintenance by enhancing code quality through peer feedback, identifying potential issues, and fostering knowledge sharing and collaboration within the team.
What is the primary purpose of the Bootstrap 'card' component?
- Displaying content in a grid
- Creating responsive tables
- Organizing navigation elements
- Presenting content in a flexible container
The Bootstrap 'card' component is primarily used for presenting content in a flexible container, allowing you to display various types of content, such as text, images, and links, in a visually appealing manner.
Which Bootstrap class is used to dynamically collapse or expand content areas?
- .collapse
- .expandable
- .show-content
- .toggle-collapse
Bootstrap utilizes the .collapse class to enable dynamic collapsing or expanding of content areas. It is commonly used with components like the accordion for interactive UIs.
For a responsive product grid, Bootstrap requires the use of 'col-___' classes.
- xs
- lg
- md
- sm
The correct answer is md. Bootstrap's grid system relies on the use of column classes such as 'col-md-' to create a responsive product grid. The 'md' class ensures that the layout adjusts appropriately on medium-sized screens, making it an effective choice for displaying products in a responsive grid format. Understanding and applying the correct column class is crucial for achieving responsive design.
What is the purpose of the 'd-none' class in Bootstrap?
- d-hide
- d-invisible
- d-none
- hidden
The d-none class in Bootstrap is used to hide an element. It sets the display property to none, making the element invisible on the page. This is commonly used for responsive design when you want to hide an element on certain screen sizes or devices. It's more efficient than using custom CSS to hide elements.
Describe how you would modify a Bootstrap navbar to be fully accessible to users with screen readers.
- Utilize ARIA roles and attributes to enhance screen reader compatibility.
- Use JavaScript to hide the navigation links and only show them when the screen reader is active.
- Adjust font sizes and colors for better visibility.
- Add images with relevant alt text for a visually impaired audience.
To make a Bootstrap navbar fully accessible, it's essential to leverage ARIA (Accessible Rich Internet Applications) roles and attributes. These attributes help in providing additional information to assistive technologies, making the navigation experience more meaningful for users relying on screen readers. Options 2, 3, and 4 are incorrect because... (provide reasons)