What is jQuery and Bootstrap

CSS framework Bootstrap is preparing to say goodbye to jQuery

The makers of Bootstrap have released version 4.3 of the front-end CSS framework initiated by Twitter. The release has some new functions, of which the so-called responsive font sizes, i.e. adjustable font sizes for responsive design, are particularly noteworthy. The plans for the transition to Bootstrap 5 published in connection with the current release are also interesting. The team will say goodbye to the jQuery JavaScript library and replace the website generator.

Flexible font sizes for responsive design

The most interesting technical innovation of Bootstrap 4.3 is likely to be the customizable font sizes for responsive design. For the implementation, the creators have launched an independent sub-project on GitHub with Responsive Font Size (RFS). The font sizes adapt to the display of the smartphone or tablet or the browser window, whereby the relationship between the dynamic font sizes is retained.

Developers have to use the font-sizeProperty through the font-size-Mixin replace. The customization works with the CSS tools Sass, Less, Stylus and PostCSS. Responsive font sizes are currently switched off by default. You can use the Boolean variable $ enable-responsive-font-sizes activate.

On the way to Bootstrap 5 with Hugo and without jQuery

In the course of the release of Bootstrap 4.3, the team published the plans for the way to the next major version. An important step that the community has probably been discussing for some time is the departure from the JavaScript library jQuery for DOM manipulation (Document Object Model) or navigation. In the future, pure JavaScript will be used for this, and jQuery eliminates the greatest client-side dependency.

A change is also pending for the website generator: the team swaps Jekyll for Hugo. The former relies on Ruby, while the latter uses the Go programming language. The change is probably more due to the development performance than the technical scope.

A specific release date for Bootstrap 5 is not yet known. The last major version was in work for an extremely long time: the alpha phase started in summer 2015, and it took two and a half years for the release in January 2018.

Further details on version 4.3 and the plans for further development can be found on the Boostrap blog. The source code can be found on GitHub. The website offers binaries for download, but apparently still for the 4.1.0 release. The current release can, however, be obtained from npm. (rme)

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