What does bootstrap mean?

Bootstrap is a simple, intuitive, and powerful front-end development framework based on HTML, CSS, and JavaScript developed by designers Mark Otto and Jacob Thornton of Twitter Company in the United States, making Web development faster.

Bootstrap provides elegant HTML and CSS specifications, which are written in the dynamic CSS language Less. (Recommended learning: Bootstrap video tutorial)

Bootstrap has been very popular since its launch and has been a popular open source project on GitHub, including NASA's MSNBC (Microsoft National Broadcasting Company) Breaking News has used this project.

Some frameworks that are familiar to domestic mobile developers, such as the WeX5 front-end open source framework, are also based on the Bootstrap source code for performance optimization.

In late January 2018, the Bootstrap team released the official version of Bootstrap 4.

The most important changes in 4 include the following aspects:

Migrate from Less to Sass

Improve the grid system

Default Flexbox support

Dropped wells, thumbnails, and panels for cards

Merge all HTML resets into a new module: Reboot

New customization options

No longer supports IE8

Rewrite all JavaScript plug-ins

Improve tooltips and automatic positioning of popovers

Improve documentation

Many other improvements

Bootstrap contains a wealth of Web components. Based on these components, you can quickly build a beautiful and fully functional website. It includes the following components:

Drop-down menu, button group, button drop-down menu, navigation, navigation bar, path navigation, paging, layout, thumbnail, warning dialog box, progress bar, media object, etc.

For more technical articles related to Bootstrap, please visit the Bootstrap Tutorial column to learn!

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