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Bootstrap's grid system uses ___ breakpoints for different devices in mobile-first design.

  • 4
  • 6
  • 8
  • 12
Bootstrap's grid system is based on 12 columns, and it uses different breakpoints for various devices such as xs (extra small), sm (small), md (medium), and lg (large).
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Q1. How can you create a masonry-like grid layout using Bootstrap cards?

  • Use the 'card-columns' class
  • Utilize the 'grid-system' class
  • Apply 'card-masonry' class
  • Implement 'card-layout' class
In Bootstrap, the 'card-columns' class is used to create a masonry-like grid layout. It automatically adjusts the height of the cards, creating a visually appealing grid.
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How do you use Bootstrap to dynamically show or hide content based on screen size?

  • .visible-md, .hidden-lg
  • .hidden-md, .visible-lg
  • .hidden-sm, .visible-md
  • .visible-sm, .hidden-lg
Bootstrap provides classes like .visible-md and .hidden-lg to control visibility based on screen size. These classes can be added to HTML elements to show or hide content on medium and large screens.
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The ScrollSpy feature in Bootstrap requires the ___ method to be called for initialization.

  • spy()
  • initialize()
  • activate()
  • scrollSpy()
The correct method for initializing ScrollSpy in Bootstrap is scrollSpy(). It activates the ScrollSpy behavior on the specified element.
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Discuss the role of ARIA roles and properties in Bootstrap for complex UI components.

  • They are not used in Bootstrap
  • They provide decorative elements
  • They enhance accessibility by defining roles and states
  • They are only relevant for server-side rendering
ARIA roles and properties play a crucial role in enhancing accessibility in Bootstrap for complex UI components. They help define the roles and states of elements, making them more understandable for assistive technologies and improving the overall accessibility of the user interface.
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What is the impact of Bootstrap's clean and semantic HTML on SEO?

  • Enhances website aesthetics
  • Improves page load time
  • Positively influences search engine ranking
  • Simplifies JavaScript integration
Bootstrap's clean and semantic HTML positively impacts SEO by providing a well-structured and easily understandable code for search engines. This can lead to improved indexing and higher rankings in search results.
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How do you handle error responses in AJAX within a Bootstrap interface?

  • Use the error callback function in the AJAX request to handle errors.
  • Implement a custom error handling function and attach it to the ajaxError event.
  • Utilize the fail method in the AJAX request to catch errors.
  • Use the statusCode option in the AJAX settings to define error handling functions.
When working with AJAX in a Bootstrap interface, handling errors is crucial. The correct approach is to use the statusCode option in the AJAX settings. This allows you to define specific error handling functions based on the HTTP status code returned by the server. By doing so, you can customize error handling for different scenarios, providing a more robust solution.
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In Bootstrap, the '___' attribute is used to display a placeholder inside input fields.

  • placeholder
  • text-holder
  • input-placeholder
  • holder
The placeholder attribute in Bootstrap is used to display a placeholder text inside input fields. It provides a brief hint to the user about what type of information is expected in the field. The other options (text-holder, input-placeholder, holder) are not valid HTML attributes used for this purpose.
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What is the maximum number of columns available in a Bootstrap grid system?

  • 12
  • 24
  • 6
  • 9
The maximum number of columns available in a Bootstrap grid system is 12. Bootstrap uses a 12-column grid layout system that provides flexibility in designing responsive web pages.
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How does the integration of Bootstrap with a JavaScript framework affect SPA (Single Page Application) behavior?

  • Impact on DOM manipulation and rendering
  • Enhances data binding and state management
  • Streamlines server-side logic
  • Improves SEO performance
The integration of Bootstrap with a JavaScript framework affects SPA behavior by impacting DOM manipulation and rendering. This is because...
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