Bootstrap
Operators are symbols or keywords that tell the JavaScript engine to perform some sort of actions. For example, the addition (+) symbol is an operator that tells JavaScript engine to add two variables or values, while the equal-to (==), greater-than (>) or less-than (<) symbols are the operators that tells JavaScript engine to compare two variables or values, and so on.
Types of Operators
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Introduction to Bootstrap
- Bootstrap is a powerful front-end framework for faster and easier web development. It includes HTML and CSS-based design templates for creating common user interface components like forms, buttons, navigations, dropdowns, alerts, modals, tabs, accordions, carousels, tooltips, and so on.
- Bootstrap gives you the ability to create flexible and responsive web layouts with much less effort.
- Bootstrap was originally created by a designer and a developer at Twitter in mid-2010. Before being an open-sourced framework, Bootstrap was known as Twitter Blueprint.
- You can save a lot of time and effort with Bootstrap.
What You Can Do with Bootstrap
- You can easily create responsive websites.
- You can quickly create a multi-column layout with pre-defined classes.
- You can quickly create different types of form layouts.
- You can quickly create different variations of the navigation bar.
- You can easily create components like accordions, modals, etc. without writing any JS code.
- You can quickly create different types of alert boxes.
Advantages of Using Bootstrap
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- Save lots of time— You can save lots of time and effort using the Bootstrap predefined design templates and classes and concentrate on other development work.
- Responsive features — Using Bootstrap you can easily create responsive websites that appear more appropriately on different devices and screen resolutions without any change in markup.
- Consistent design — All Bootstrap components share the same design templates and styles through a central library, so the design and layout of your web pages will be consistent
- Easy to use— Bootstrap is very easy to use. Anybody with a basic working knowledge of HTML, CSS, and JavaScript can start development with Bootstrap.
- Compatible with browsers— Bootstrap is created with modern web browsers in mind and it is compatible with all modern browsers such as Chrome, Firefox, Safari, Internet Explorer, etc.
- Open Source— And the best part is, it is completely free to download and use.
Bootstrap 5 vs. Bootstrap 3 & 4
Bootstrap 5 is the newest version of Bootstrap; with new components, faster stylesheet, and more responsiveness.
Bootstrap 5 supports the latest, stable releases of all major browsers and platforms. However, Internet Explorer 11 and down is not supported.
The main difference between Bootstrap 5 and Bootstrap 3 & 4, is that Bootstrap 5 has switched to JavaScript instead of jQuery.
Creating Your First Web Page with Bootstrap
There are two ways to start using Bootstrap 5 on your own website.
You can:
- Include Bootstrap 5 from a CDN
- Download Bootstrap 5 from getbootstrap.com
Bootstrap 5 CDN
If you don’t want to download and host Bootstrap 5 yourself, you can include it from a CDN (Content Delivery Network).
We recommend adding Bootstrap to your project via CDN (Content Delivery Network) because CDN offers performance benefits by reducing the loading time since they are hosting the files on multiple servers spread across the globe so that when a user requests the file it will be served from the server nearest to them.
Downloading Bootstrap 5
If you want to download and host Bootstrap 5 yourself, go to https://getbootstrap.com/, and follow the instructions there.
Step 1: Create a Basic HTML file
<body>
Step 2: Make this HTML File a Bootstrap Template
How to add Bootstrap CDN in HTML File
- Step 1: Open Browser
- Step 2: Search -> https://getbootstrap.com/
- Step 3: Select CDN and Copy it.
Step: 4 Copy CDN Link
Step: 5 Apply in the HTML File under the link tag.