Bootstrap Interview Questions and Answers
Bootstrap is a robust, mobile-first, front-end framework that is used for creating robust websites and apps. The most significant advantage of Bootstrap is that it comes with in-built tools for creating responsive websites as well as interface components. This information is frequently asked in Bootstrap interview questions. Free for using and an open-source, its intuitive and powerful structure allows for trendier and quicker website development. Bootstrap is a potent combination of HTML and CSS templates and supports most of the JavaScript extensions.
Most Frequently Asked Bootstrap Interview Questions
When your site contains a lot of pages, then pagination comes into the picture. Pagination is the handling of the unordered list on your site
To create basic pagination add the .pagination class
The Bootstrap grid System has a limit of 12 columns across the entire page. If a developer does not want to use the 12 columns individually then, it can be merged to create a more full column.
Bootstrap Grid system Classes
The grid system has the following four classes-
- xs (for the phones - screens less than 768px wide)
- sm (for the tablets - screens equal to or greater than 768px wide)
- md (for the small laptops - screens equal to or greater than 992px wide)
- lg (for the laptops and the desktops - screens equal to or greater than 1200px wide)
The basic grid structure used in Bootstrap is:-
<div class="container">
<div class="row">
<div class="col-*-*"></div>
<div class="col-*-*"></div>
</div>
</div>
Its class is a container to enhance an input by adding a button, icon, or text in the frontend. It extended Form Controls.
In Short, using these input groups classes you can easily prepend and append text or buttons.
We have listed some of the most common bootstrap interview questions and answers for experienced developers as well as for freshers.
<div class="input-group">
<span class="input-group-addon"><i class="glyphicon glyphicon-user"></i></span>
<input id="email" type="text" class="form-control" name="email" placeholder="Email">
</div>
The Bootstrap breadcrumb is a navigator that indicates the current web page's location to
the user within the same website or the application. When there are many pages on the
website, then the breadcrumb increases the accessibility.
Progress bars are used to show the progress of a particular task or the specific action to the user.
Here is the example of creating a progress bar with the vertical gradient:-
<div class="progress">
<div class="progress-bar" style="width: 50%;">
<span class="sr-only">50% Complete</span>
</div>
</div>
Using Bootstrap data APIs enable you to create advanced level interface components without writing JavaScript. Supported by most of the popular browsers, Bootstrap is easy and quick to get started even if you have basic knowledge of CSS templates and HTML. Get more knowledge on this if you are preparing for Bootstrap Interview Questions.
Development History of Bootstrap
Called initially as Twitter Blueprint, Bootstrap is the brainchild of Jacob Thornton and Mark Otto at Twitter. The team released the initial version as open-source in August 2011. We have recently updated our selection of Bootstrap interview questions and answers for experienced professionals.
Latest Version
The recent version 4.2.1 was released in December 2018. Read more all past version and their features if you are preparing for Bootstrap interview questions and answers.
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