What is the purpose of using alt text on images in Bootstrap for accessibility?
- Provides alternative content for screen readers
- Defines the image width and height
- Adds a border around images
- Sets the image background color
In Bootstrap, using alt text on images serves the purpose of providing alternative content for screen readers. This descriptive text is read out loud to users who may not be able to see the image, enhancing the accessibility and understanding of the content.
Q2: Given a complex layout, how would you prioritize grid classes for different screen sizes in Bootstrap?
- col-lg-4, col-md-12, col-sm-12, col-xs-12
- col-lg-4, col-md-6, col-sm-12, col-xs-12
- col-xs-12, col-sm-12, col-md-12, col-lg-4
- col-xs-12, col-sm-12, col-md-6, col-lg-4
Prioritizing grid classes in Bootstrap involves ordering them from larger to smaller screens. In this case, 'col-lg-4' comes first for large screens, followed by 'col-md-6' for medium screens, and finally 'col-sm-12' and 'col-xs-12' for small and extra-small screens.
The '___' class in Bootstrap is used to ensure the columns are evenly spaced.
- .col
- .container
- .row
- .spacing
In Bootstrap, the 'row' class is used to group columns horizontally and ensures that they are evenly spaced. It creates a new row for the columns, and the columns within a row automatically adjust to maintain equal spacing.
What is the primary consideration when integrating a third-party JS library with Bootstrap?
- Compatibility with Bootstrap versions
- Library popularity
- Code length
- Browser compatibility
When integrating a third-party JS library with Bootstrap, the primary consideration is compatibility with Bootstrap versions. It's crucial to ensure that the library is designed to work seamlessly with the specific version of Bootstrap used in the project. This ensures proper functionality and reduces the risk of conflicts or issues arising due to version disparities.
In a scenario where a third-party JS library causes layout issues in Bootstrap, what troubleshooting steps would you take?
- Analyze the library's documentation for compatibility issues
- Inspect the console for errors and conflicts
- Remove the library and find an alternative
- Adjust Bootstrap's grid system to accommodate the library
When a third-party library disrupts Bootstrap layout, checking the console for errors helps identify conflicts, allowing precise troubleshooting without removing the library.
For a full-width navigation bar that extends the entire viewport, use the 'navbar-___' class in Bootstrap.
- fluid
- wide
- full
- expanded
In Bootstrap, the 'navbar-fluid' class is used for a full-width navigation bar that spans the entire viewport. It ensures that the navigation bar occupies the entire width of the screen, providing a clean and expansive look.
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.