BOOTSTRAP 4 ALPHA 3

Submitted To-Computer Department

Submitted By -Shubham KanojiaIII-Year1511

Introduction Before study Bootstrap 4 , we must know that what is Bootstrap? Actually

Bootstrap is the most popular HTML, CSS, and JavaScript framework for developing responsive, mobile-first web sites.

And Bootstrap 4 is new version of Bootstrap.

History of Bootstrap It was developed by Mark otto and Jacob thornton in August 9,2011 at

Twitter ,US. Firstly its name was Twitter Blueprint, Then renamed as Bootstrap. On Jan 31, 2012 Bootstrap 2 was launched. This release added the twelve-

column grid layout and responsive design components. On Oct 29,2013 Bootstrap 3 was launched.This release moving to a mobile

first approach . At last, on July 27,2016 , Bootstrap 4 Alpha 3 is released.

Features

1. SASS (Syntactically Awesome Style Sheets)

One of the biggest changes in Bootstrap 4 is moving from Less to Sass,

Sass is an extension of CSS3 which adds nested rules, variables, mixins, selector inheritance, and more.

Sass generates well formatted CSS and makes your stylesheets easier to organize and maintain.

Compass, Bourbon, and Susy are open-source CSS Authoring Framework.

2. Enhanced Grid System In Bootstrap 3 there are specific

classes to target an element on different screen sizes via pixels but in Bootstrap 4 alpha there is this new smaller (-sm) tier to better target mobile devices. This time it’s in rem and em units instead of pixels.

3. Dropped Support for IE8

Bootstrap 4 alpha is drops Internet Explorer 8 support. One of the biggest problems with IE8 is that it doesn’t support CSS media queries, which play an important role in implementing responsive design within the framework.

4. Say Hello to Cards

Cards are new components in Boostrap 4 alpha which can be used to display information as a page or a container.

It has replaced wells, panels and thumbnails. It supports different kinds of content such as links, text, images, headers, footers and many more with a variety of background colors.

5. Improved Auto-Placement of Tooltips and Popovers

Tooltips and popovers help a lot of developers when it comes to ease of use. Thanks to Tether, a third party library it has improved.

If you want to use this you can simply include tether.min.js just before thebootstrap.js.

6. New Class ‘Inverse’ for Tables

Bootstrap 4 alpha has a new prefix –inverse class that gives a background to the table itself.

Advantages It compiles faster than earlier version because it moves from LESS to SASS.

New updation, makes yours sites more professional.

It takes less time to design your page.

Campatible with all Screen sizes such as for Tablets,Desktop,small and extra small mobiles.

Disadvantages Your website layout is looks similar as others website layout. Web –designer becomes jobless. Lack of Creativity . Due to lack of creativity many visitors don’t take much interest on yours

websites.

Conclusion With the coming of bootstrap 4, your websites are compatible with many

different platforms. Developer works to reduce the size of CSS file so that your website open

in more short time. After some time ,Bootstrap 5 will be here,which completely drop out the

use of IE 9,freeing many front-end developers to design anything without any problem.

References http://v4-alpha.getbootstrap.com/ http://blog.getbootstrap.com/2015/08/19/bootstrap-4-alpha/ http://www.hongkiat.com/blog/boostrap-4-best-features/ http://www.quackit.com/bootstrap/bootstrap_4/tutorial/ https://scotch.io/bar-talk/whats-new-in-bootstrap-4 https://webdesign.tutsplus.com/articles/new-features-in-bootstrap-4-alpha--

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THANK YOU

Any Question????