what is bootstrap

Introduction of bootstrap-: Bootstrap is a free front-end framework for faster and easier web development.Bootstrap includes HTML and CSS based design templates for typography, forms, buttons, tables, navigation, modals, image carousels and many other extra features as well as optional JavaScript plugins.Bootstrap also gives you the ability to easily create responsive website design.

 

 

In other words we can say that the Bootstrap is a free and open source front end development framework for the creation of websites and web apps. The Bootstrap framework is built on HTML, CSS, and JavaScript (JS) to facilitate the development of responsive, mobile-first sites and apps.

By the help of  bootstrap a website is resize in any device. If we are using Mobile then the website would be responsive according the device.If we are using in computer then its show according to the computer size

History of Bootstrap-:  Bootstrap was developed by Mark Otto and Jacob Thornton at Twitter, and released as an open source product in August 2011 on GitHub.

Why are we use Bootstrap -:  Bootstrap has easy to learn. It is easy to learn. basic knowledge of HTML and CSS can start using Bootstrap. It is provide responsive facility to mobile, tablets,and computer device.

Bootstrap is comfortable with all modern browsers (Google Chrome, Mozilla   Firefox, Internet Explorer, Edge, Safari, and Opera).

 

How to download Bootstrap-:  This is a one line code. You can download this code using this link

https://getbootstrap.com/docs/4.3/getting-started/introduction/

By click this button you can download bootstrap code here

After downloading the bootstrap file unzip this file. you can extract the file and use this code into your website.

or copy this cdn code css and java

<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>

If you’re using our compiled JavaScript, don’t forget to include CDN versions of jQuery and Popper.js before it.

<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>

<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>

 

 

 

 

 

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