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Bootstrap Interview Questions and Answers

1
what is Bootstrap?

Bootstrap is Javascript framework for building the rich web applications with minimal effort. This framework emphasis more on building mobile web applications.

2
Explain why to choose Bootstrap for building the websites?

There are few reason why we choose Bootstrap for building websites

  • Mobile Support: For mobile devices it provides full support in one single file rather than in separate file. It supports the responsive design including adjusting the CSS based on the different types of device, size of the screen etc. It reduces extra effort for developers.
  • Easy to learn: Writing application in bootstrap is easy if you know CSS and HTML
  • Browser Support: It supports all the popular browsers like Firefox, Opera, Safari, IE etc.
3
What are the key components of Bootstrap?

The key components of Bootstrap are

  • CSS : It comes with plenty of CSS files
  • Scaffolding : It provides a basic structure with Grid system , link styles and background
  • Layout Components : List of layout components
  • JavaScript Plugins: It contains many jQuery and JavaScript plugins
  • Customize: To get your own version of framework you can customize your components
4
Explain what are class loaders in Bootstrap?

Class loader is a part of JRE (Java Runtime Environment) which loads Java classes into Java virtual environment. Class loaders also does the process of converting a named class into its equivalent binary form.

5
What are the types of layout available in Bootstrap?

In Bootstrap there are two types of Layout available

  • Fluid Layout: Fluid layout is used when you want to create a app that is 100% wide and use up all the width of the screen
  • Fixed Layout: For a standard screen you will use fixed layout (940 px) option

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