Bootstrap 4

• Bootstrap is a framework to assist in designing websites in a faster and easier manner.
• Bootstrap includes HTML and CSS based design templates for typography, forms, buttons, tables, navigation, modals, image carousels, and more.
• Also, it gives support for JavaScript plugins.

A bootstrap panel is indicated with a “panel” class. 

You may learn bootstrap version 4 even without having any knowledge of bootstrap 3. But it is suggested to have knowledge about Java script together with a basic requirement like knowledge of HTML and CSS. 

Bootstrap 4 Updates

• There is a major rewrite of the code
• Less is replaced with Sass
• There is an addition of Reboot, a collection of element-specific CSS changes in a single file, based on Normalize
• The support for IE8, IE9, and iOS 6 is dropped
• Offer CSS Flexible Box support
• The navigation customization options are added
• The responsive spacing and sizing utilities are added
• There is a switch from the pixels unit in CSS to root ems
• The global font size is increased from 14px to 16px for enhanced readability
• The panel, thumbnail, pager, and well components are dropped
• The Glyphicons icon font is dropped
• Huge number[quantify] of utility classes
• Improvement in form styling, buttons, drop-down menus, media objects and image classes

Bootstrap 4 is one of the latest versions of Bootstrap with new components including faster stylesheet and more responsiveness.

• Firstly, it is easy to use
• Second, it has responsive features
• Thirds it uses a mobile-first approach
• Bootstrap 4 is compatible with all modern browsers 

The Bootstrap 4 Developer Exam is suitable for people who work in the following area of expertise - 

• Web Designer
• Front-end developer
• UI developer
• Bootstrap Developer
• HTML Developer