Have an interview today? Well, we have got you covered with our imminent collection of bootstrap interview questions and answers that covers the rare basics of the Bootstraps as well as the top canopy of it. These bootstrap questions and answers are very simple and easy to understand as these are not like the whole chapter notes instead these are only the main texts that are necessary for the interviewer to understand that yes, you have got the concept.Whether you are a beginner or experienced these bootstrap questions and answers will help you understand the very deep aspect of it very easily. If you are experienced then you'll have an advantage of already knowing the concepts and these bootstrap interview questions and answers for experienced will help you in getting all the facts and points that are missing from your brain's library and hence, you can easily brush up your bootstrap concepts. Here are the top bootstrap interview questions and answers that are asked most frequently:
Bootstrap is a HTML, CSS, and JS framework which is used for web development based on a front-end framework and to create rich web applications with minimal effort. It is easy to use and mostly preferred for developing mobile web applications.
Bootstrap can be used for building website development as:
The key components of Bootstrap are:
The bootstrap Grid system allows you to create layouts across the page. The bootstrap grid system allows you up to 12 columns across the page. It is responsive and the columns are rearranged automatically for different viewport sizes (sm, ms, lg, xl).
<div class = "container"> <div class = "row"> <div class = "col-*-*"></div> <div class = "col-*-*"></div> </div> <div class = "row">...</div> </div> <div class = "container">....
There are two types of layouts provided by bootstrap:
Fixed layout-This layout is necessary to create an app that is 100% wide and use up all the screen width.
Fluid layout-you can use this layout only for a standard screen (940px) for a fixed layout.
.active - It Applies the grey color to a particular row or cell
.success - It Indicates a positive or successful action and provide green color
.danger - It indicates a dangerous or negative action
.warning - It needs attention and indicates a warning
A bootstrap jumbotron provides a large grey background with some margin or padding with rounded corners. It is used to highlights some important points, slogans, etc. in web pages. Add class .jumbotron in a <div> element.
A progress bar is used to provide the feedback on the progress of a process to the user. You can add the class .progress in <div> element and inside .progress add the inner class .progress-bar to its child element
Bootstrap Collapse is used to show or hide the large number of data to your page. Add data-toggle="collapse" and data-target attribute to hide and show the particular content.
It is used to provide the sliding effects in images or text. Add .active class to one of the slides in class carousel-item. Add class carousel slide, id and attribute data-ride="carousel" for sliding the images.
To create navigation bar use class .navbar with .navar-expand-*(-sm, -col, -lg) in <nav> element for responsive collapsing. It is a simple, easy and powerful. To show current page use class .active. You can also add class .navbar-brand for your company name.
Bootstrap alerts are used to highlights some important text or messages to your webpage. For this, you can use .alert class.
A bootstrap card is a box provide flexible content container with padding around the content. It includes header, footer, content, colors, etc. to display content.
It indicates to add consecutive numbers of series to the sequential order across multiple pages. For applying bootstrap, you can create a pagination by adding the class .pagination in <ul> element. After create <ul> element you need to create <li> element with a class .page-item
Mainly the positions used in bootstrap are: sticky-top, fixed-top, fixed-bottom. Sticky-top position an element at the top of the page, but only after you scroll past it. For fixed-top you can use class .fixed-top and class .fixed-bottom for bottom fixed the element to your page.
The Bootstrap forms includes textual form controls like <input>, <text area>, and <select> elements by using the class .form-control gives the width value of 100% by default.
Bootstrap modal is also known as pop-up or dialog box. It displays button ok or cancel with some text in web page. To show the modal, Add class modal in a parent div, add data-toggle="modal" and data-target attribute in Button element.
Bootstrap container is a class used to create a centered area within the page where the content of our site can be put. It is responsive and contain all the HTML code. It contains the grid system and adjust itself different screen sizes.
Badges are used to highlight new or unread messages and their corners are more rounded. To use badges add <span class="badge"> to links or text.
By using glyphicons put icon anywhere in your code where you want.
<span class="glyphicon glyphicon-search">