Bootstrap： Bootstrap是用于前端Web开发的框架，它使Web开发更快，更轻松。它包含用于各种响应式前端设计的基于HTML和CSS的设计模板，以及可选的JavaScript插件。
JQuery UI： JQuery UI是GUI窗口小部件和主题的集合，可通过JavaScript库实现。它用于后端网页设计。
Bootstrap和JQuery UI之间的区别：
- 框架类型： Bootstrap是用于前端开发Web应用程序和网页的框架。它是作为免费的开源框架提供给人们的。它是由Bootstrap核心团队开发和设计的。它是用HTML，CSS和JavaScript编写的，
然而，
JQuery UI是一个开放源代码框架，用于设计客户端或执行HTML的后端脚本。它也是免费且易于使用的。它是由The JQuery团队开发和设计的。它是用JavaScript编写的。 - 基于IT的使用： Bootstrap以开发响应式网站和移动项目而闻名。使用Bootstrap，您可以开发一种可以在各种屏幕尺寸下使用的功能，因为它可以在所有浏览器和不同设备上保持一致性，
然而，
jQuery UI用于开发基于HTML的用户界面，以使网站在所有浏览器上的响应速度更快。它适用于JavaScript库。 - 基于功能： Bootstrap包含几个称为JQuery插件的JavaScript组件，
然而，
JQuery UI附带了一个预编写的函数库。 - 基于外观： Bootstrap看起来非常专业，即使您使用它的基本模板，
然而，
JQuery UI看起来已经过时和过时，并且在旧版本的浏览器中表现最佳。
基于以上解释的Bootstrap和JQuery Ui之间的差异，它们之间存在一些头对头的差异，如下所述：
| Bootstrap | JQuery UI |
|---|---|
| Bootstrap is designed and created by core team of Twitter | JQuery UI is designed and created by JQuery team. |
| Bootstrap is used for the good appearance of the website or front-end | JQuery UI is aimed to ease the JavaScript-call process i.e. back-end. |
| Libraries of Bootstrap are written in HTML, CSS & JavaScript. | Libraries of JQuery UI are written in JavaScript only. |
| Bootstrap provides components of JavaScript in the form JQuery plugins. | JQuery UI contains a library of several pre-written functions |
| Bootstrap is mainly used to develop responsive web-pages. | JQuery UI contains its own user-interface counterpart. |
| Bootstrap is less demanded in the market as compared to the JQuery UI. | JQuery UI is highly demanded in the market. |
| Bootstrap is highly oriented towards responsiveness. | JQuery UI is less oriented towards responsiveness as compared to Bootstrap |
| Bootstrap has its own Bootstrap Grid system to develop free-flowing layout. | JQuery UI has no grid system. |
| Bootstrap looks very professional even with its basic template | JQuery UI looks old fashioned and not very professional as compared to Bootstrap |
| Bootstrap is based on CSS3 and looks cool in new browsers | JQuery UI is based on UI and looks cool in old browsers. |
| Bootstrap is developed to be instantly compatible with all sizes of screens. | JQuery doesn’t have this ability. |