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Describe a scenario where Bootstrap's grid and utility classes improve the user experience in a product customization tool.

  • Creating a responsive layout for product options and using utility classes for quick styling adjustments.
  • Ignoring Bootstrap and relying on CSS Flexbox for layout.
  • Hard-coding fixed widths for customization options.
  • Using a complex JavaScript framework for layout adjustments.
Bootstrap's grid system allows for easy arrangement of product customization options, ensuring a responsive layout. Utility classes provide quick styling options without custom CSS, enhancing the user experience.
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How can you programmatically show or hide a Tooltip in Bootstrap?

  • Using the toggle method
  • By adjusting the opacity property
  • Triggering the display property
  • Utilizing the hidden class
To programmatically show or hide a Bootstrap Tooltip, the toggle method is used. It allows you to dynamically control the visibility of the tooltip.
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Explain how to use Bootstrap's responsive utility classes to create a different layout for mobile and desktop views.

  • Use d-sm-none and d-md-block classes
  • Apply hidden-md-up and hidden-sm-down classes
  • Utilize the order-* classes for reordering elements
  • Combine col-sm-* and col-md-* classes
To create a different layout for mobile and desktop views using Bootstrap's responsive utility classes, you can use the order-* classes for reordering elements. This allows you to control the visual order of elements based on the screen size. Using d-sm-none and d-md-block classes, hidden-md-up, or hidden-sm-down classes are useful for visibility control but not specifically for creating different layouts. Combining col-sm-* and col-md-* classes is more related to adjusting column behavior than creating distinct layouts.
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What is a key benefit observed in successful Bootstrap implementations in terms of website responsiveness?

  • Improved loading speed
  • Consistent appearance
  • Enhanced security features
  • Advanced animation effects
In successful Bootstrap implementations, the key benefit observed in terms of website responsiveness is the ability to maintain a consistent appearance across various devices. Bootstrap's responsive design ensures that a website looks and functions well on different screen sizes, providing a seamless user experience.
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What is the primary role of AJAX in a Bootstrap-based website?

  • Asynchronous JavaScript and XML
  • A new Bootstrap layout
  • A styling mechanism in Bootstrap
  • A server-side scripting language
AJAX is a technology that enables the updating of a web page without a full page reload. It is used to fetch data asynchronously from the server, typically in the background, and update the content dynamically. It stands for Asynchronous JavaScript and XML, making option A the correct answer. Understanding AJAX is crucial for enhancing user experience in Bootstrap-based websites.
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Q1: If you need a three-column layout on a medium device, which 'col-md-' classes will you use for equal width columns?

  • 1
  • col-md-3
  • col-md-4
  • col-md-6
In Bootstrap, 'col-md-4' would be used for equal width columns on a medium device. The number represents the number of columns, and 'md' signifies the medium device breakpoint.
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How does the concept of inheritance in Sass help in creating more efficient styles in Bootstrap?

  • Reducing redundancy
  • Increasing file size
  • Slowing down rendering
  • Adding complexity
Sass's inheritance helps in reducing redundancy by allowing styles to inherit properties from other selectors, promoting a more efficient and DRY (Don't Repeat Yourself) codebase in Bootstrap.
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What is the primary approach of Bootstrap in terms of mobile-first design?

  • Mobile-Last
  • Desktop-First
  • Tablet-First
  • Mobile-First
Bootstrap follows a Mobile-First approach, meaning it designs for smaller screens first and then progressively enhances for larger ones. This approach ensures a better user experience on mobile devices.
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To fetch data asynchronously in a Bootstrap page, use the AJAX method '___'.

  • load()
  • fetch()
  • get()
  • ajax()
In Bootstrap, the correct method for fetching data asynchronously is ajax(). This method allows you to make asynchronous HTTP requests, making it suitable for dynamically loading data in a Bootstrap page.
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Bootstrap provides '___' classes to create form layouts with labels beside the inputs.

  • form-horizontal
  • label-horizontal
  • inline-labels
  • control-label
Bootstrap offers the 'form-horizontal' class to create form layouts where labels are positioned horizontally beside the input elements. This improves the overall alignment and aesthetics of the form.
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To programmatically select a tab in Bootstrap, the jQuery method $('.nav-tabs a[href="#___"]').tab('show') is used.

  • ('.active-tab')
  • ('#selected-tab')
  • ('.nav-tabs li a')
  • ('[data-toggle="tab"]')
The correct syntax is ('.nav-tabs a[href="#selected-tab"]').tab('show'). It targets the tab link with the specified href attribute, activating the tab in Bootstrap.
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For Bootstrap carousel, $('.carousel').carousel('___') method in jQuery is used to cycle through elements.

  • 'slide'
  • 'cycle'
  • 'next'
  • 'animate'
The correct method is $('.carousel').carousel('next'). This method advances the carousel to the next item in the sequence.
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