To create a multi-row layout in Bootstrap, the '___' class is necessary inside the 'container.'
- container-fluid
- container-row
- grid
- row
To create a multi-row layout in Bootstrap, you need to use the 'row' class inside the 'container.' The 'row' class is used to define a horizontal grouping of columns, allowing for a new row in the layout.
In Bootstrap's tab component, the '___()' method is used to activate a specific tab.
- activateTab()
- showTab()
- selectTab()
- tabActivate()
The correct method to activate a specific tab in Bootstrap's tab component is show(). This method is used to display the specified tab content while hiding the others. It is commonly used with the Bootstrap Tab component to switch between different tab panels.
How would you implement a dynamic alert system using Bootstrap components and JavaScript?
- Use Bootstrap's alert class, manipulate the DOM with JavaScript to dynamically create and append alert elements, and set appropriate styles for different alert types.
- Employ JavaScript's alert() function along with Bootstrap's dynamic-alert class for styling.
- Utilize Bootstrap's notification class and create dynamic alerts with JavaScript's createNotification() function.
- Apply dynamic-alert class for the container and use createAlert() JavaScript function for dynamic alert generation.
To implement a dynamic alert system using Bootstrap components and JavaScript, use Bootstrap's alert class, manipulate the DOM with JavaScript to dynamically create and append alert elements, and set appropriate styles for different alert types. This approach provides a flexible and customizable alert system for user interaction.
How can you prevent the default action of Bootstrap's 'collapse' event?
- event.preventDefault()
- event.stopCollapse()
- event.preventCollapse()
- event.stopImmediatePropagation()
To prevent the default action of Bootstrap's 'collapse' event, you should use event.preventDefault(). This method stops the default behavior associated with the 'collapse' event, allowing you to customize the behavior as needed.
In Bootstrap, how do you align navigation items to the right side of the navigation bar?
- Use the 'text-right' class on the 'nav' element.
- Add the 'navbar-right' class to the 'ul' element containing the navigation items.
- Apply the 'float-right' class to each 'nav-item'.
- Use the 'ml-auto' class on the 'ul' element containing the navigation items.
To align navigation items to the right side in Bootstrap, you can use the 'ml-auto' class on the 'ul' element containing the navigation items. This utilizes margin-left set to 'auto' to push the items to the right.
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.
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.
When modifying Bootstrap's styles, it's common to use ___ selectors to increase specificity.
- Descendant
- Child
- Adjacent
- Universal
Using descendant selectors is common when modifying Bootstrap styles to increase specificity. Descendant selectors target elements that are descendants of a specified element, allowing you to apply styles more precisely.
How do Bootstrap's media queries enhance mobile-first design?
- Utilize different style sheets for different devices
- Define styles for small screens first and then override for larger screens
- Apply fixed widths to elements for consistent design
- Use JavaScript to detect device type
Bootstrap's media queries enhance mobile-first design by allowing developers to define styles for small screens first and then override them for larger screens. This approach ensures that the default styles are optimized for mobile devices, providing a responsive design that progressively enhances as the screen size increases.
How does Bootstrap's grid system adjust when transitioning from portrait to landscape mode on mobile devices?
- No adjustment
- Stays fixed
- Adapts fluidly
- Switches to a different grid
Bootstrap's grid system adapts fluidly, allowing seamless transitions between portrait and landscape modes on mobile devices, ensuring a consistent layout.
How does Bootstrap JS extend the capabilities of a Bootstrap-based website?
- Enabling server-side scripting
- Enhancing user interface with dynamic features
- Optimizing database performance
- Validating user input
Bootstrap JS enhances a website by adding dynamic features to the user interface, such as sliders, modals, and tooltips, making the site more interactive and engaging.
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.