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Bootstrap 4 vs. Bootstrap 5: What is the Difference?

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Simba Institute
Bootstrap 4 vs. Bootstrap 5: What is the Difference?

The creators of the most well-known CSS framework, Bootstrap, have updated it. As of the time this article was written, Bootstrap 5's stable release was out and usable. Let's examine the new features that Bootstrap 5 has to offer and the distinctions between Bootstrap 4 and Bootstrap 5.

While there are numerous internal changes, such as a new Bootstrap logo and a switch from Jekyll to Hugo, we'll focus on the features that have the biggest impact on web development projects first.

 

What’s New in Bootstrap 5 for Web Developers

As with each significant version update, Bootstrap 5 has undergone significant changes from Bootstrap 4. Here is a list of the key differences you need to be aware of when updating older projects created with Bootstrap 4 or an earlier version. These modifications will help you decide whether to use Bootstrap 5 instead of Bootstrap 4 if you are starting a new project using Bootstrap 5 or are utilising Bootstrap templates.

 

1. Vanilla JavaScript instead of jQuery

For dynamic features like menu expansion, carousels, dropdowns, and other elements, Bootstrap has relied on jQuery since its launch. However, many developers who intended to utilise Bootstrap with contemporary JavaScript frameworks like React and Vue.js did not enjoy this imposed dependency on jQuery. They got rid of this need with Bootstrap 5.

Be aware that this does not imply that Bootstrap 5 is JavaScript independent. In Bootstrap 5, behaviours like dropdown, slider, popover, etc. depend on Popper as well as its own native JavaScript module. JQuery won't be necessary to include. You can still include jQuery if it is essential to your project.

2. Browser support – IE 10 and 11 support removed

Microsoft is concentrating all of its resources on the Edge browser, while Internet Explorer is rapidly losing market share. Additionally, Edge now uses the open source Chromium engine, giving it access to the most recent versions of Chrome and Firefox's JavaScript and CSS features. As a result, the Bootstrap team decided to stop supporting Internet Explorer, allowing it to offer a more up-to-date set of features including CSS variables, quicker JavaScript, and better APIs.

Here is a full list of browsers that Bootstrap 5 no longer supports:

·        Dropped Microsoft Edge Legacy

·        Dropped Internet Explorer 10 and 11

·        Dropped Firefox < 60

·        Dropped Safari < 10

·        Dropped iOS Safari < 10

·        Dropped Chrome < 60

·        Dropped Android < 6


3. CSS custom properties

Bootstrap 5 now enables custom CSS properties because Internet Explorer support has been discontinued. Only colour and typefaces had root variables in Bootstrap 4. CSS variables are now available in a few components and layout choices in Bootstrap 5. For instance, the table component uses local variables to simplify the creation of striped, hover-able, and active table designs.

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