What is the difference between sass and bootstrap

Difference: Bootstrap is a simple, intuitive, and powerful front-end development framework based on HTML, CSS, and JavaScript; while sass is a cascading style sheet language and a scripting language that parses scripts into CSS.

The operating environment of this tutorial: Windows 7 system, bootsrap version 3.3.7, DELL G3 computer

##bootstrap

Bootstrap is a simple, intuitive, and powerful front-end development framework developed based on HTML, CSS, and JavaScript, making Web development faster.

At the same time, Bootstrap also provides a set of coding standards to make the CSS and JavaScript codes written by the team more standardized, thereby greatly improving the team's development efficiency.

Bootstrap is an easy-to-use, elegant, flexible, and extensible front-end toolkit that contains a rich set of Web components, including layout, grid, table, form, navigation, button, progress bar, and media objects. etc. Based on these components, you can quickly build a beautiful and fully functional website. Since mainstream browsers such as Firefox, Chrome, and Safari have good support for W3C standards, Bootstrap also performs quite well in terms of web browser compatibility.

sass

Sass is a cascading style originally designed by Hampton Catlin and developed by Natalie Weizenbaum Table language. After developing the initial version, Weizenbaum and Chris Eppstein continued to expand the functionality of Sass through SassScript. SassScript is a small scripting language used in Sass files.

Sass is a scripting language that parses scripts into CSS

, that is, SassScript. Sass includes two sets of syntax. The original syntax is called "indentation syntax". Similar to Haml, indentation is used to distinguish code blocks, and carriage returns are used to separate different rules.

The newer syntax is called "SCSS" and uses the same block syntax as CSS, that is, using braces to separate different rules and semicolons to separate specific styles. Typically, these two sets of syntax are distinguished by the file extensions .sass and .scss.

Sass extends CSS3, adding rules, variables, mixins, selectors, inheritance and other features. Sass generates well-formatted CSS code that is easy to organize and maintain.

SASS is an expansion of the syntax of CSS3 (Cascading Style Sheet). It can use functions such as nesting, mix-in, selector inheritance, etc., and can write Stylesheet more efficiently and flexibly. Sass will eventually compile legal CSS for browsing.

That is to say, its own syntax is not easy for browsers to recognize (although it is very similar to the syntax of CSS, almost the same), because it is not a standard CSS format, and its syntax can be Uses dynamic variables and so on, so it's more like a very simple dynamic language.

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