Bootstrap was developed by the American Twitter company. Bootstrap is a front-end framework for rapid development of web applications and websites, developed by Twitter designers "Mark Otto" and "Jacob Thornton".
The operating environment of this tutorial: Windows 7 system, bootsrap version 3.3.7, DELL G3 computer
Bootstrap is the designer of the American Twitter company Mark Otto Cooperated with Jacob Thornton to develop a simple, intuitive, and powerful front-end development framework based on HTML, CSS, and JavaScript, making Web development faster.
Bootstrap is an open source product released on GitHub in August 2011.
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. Some frameworks that are familiar to domestic mobile developers, such as the WeX5 front-end open source framework, are also performance optimized based on the Bootstrap source code.
Advantages of Bootstrap:
1. Grid system
can adjust the page according to the user's screen size so that it performs well in all sizes . Implementing this function relies on two things, one is view, and the other is max-width and min-width.
2. CSS modularization
Bootstrap pre-defines many CSS classes. When using them, just give the class the corresponding class name, such as text-left, text-align, .table wait. The most representative one is the btn class. Bootstrap defines a .bt base class. If you want other styles, you can extend this base class to achieve different visual effects.
3. The plug-in is simple to use.
Bootstrap's plug-in development model is very similar to the JavaScript development model. First define a class to implement the main function, then a Plugin function, and then extend this function. Go to the JQuery prototype, and finally bind events to specific elements through delegation.
But Bootstrap has browser compatibility issues and is completely incompatible with IE6.
Recommended study: "bootstrap usage tutorial"
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