Preprocessors CSS code and its function in the web

Working with CSS preprocessors

A CSS preprocessor is a tool that allows us to write pseudo CSS that will later become CSS. This pseudocode may be comprised of variables, functions and operations. Which help us to easily manage and optimize CSS , to travez of these Supplied tools work is done in a more orderly and quick way , allowing time savings and results.

For why a CSS preprocessor used? The answer is simple " To write and maintain faster and with less effort CSS code. " How is this accomplished ? Right through an organization of code. CSS preprocessors give us the ability to selectors with great ease and power comes great responsibility . Because the nesting brings many problems when performing any maintenance on this same code

 

Using variables in CSS. As you know it is one of the main shortcomings of CSS as a language because it does not allow variables as in other languages ​​but this is arrglado with the use of variables with preprocessors instead of performing a search and replace a color to a group of elements just define a variable gives great satisfaction to the design .

Reusing code. After other variables of the problems with CSS as a language is not allowing us to reuse the code , which make repeated and sometimes tired when writing CSS, but the selectors mixins and placeholders let you re- use other code blocks of the benefits of preprocessors .

Making operations and functions. No doubt the pre - processors have powered to CSS by allowing the same characteristics as any language of the web , is to do operation or implement functions. Including files . Finally the addition of files from external sources is a very useful option allowing segmented into multiple files css maintaining our basic rule to have a master file and which include all the other allowing many things are not repeated.


CSS preprocessors have become one of the fron-end tools that developers use for their projects, the benefits flowing , ceasing to be a fad to be a technique that can not miss if you want to be a professional industry.

 

 

Which involves learning some CSS preprocessors that are on the market that are LESS, SASS and our favorite STYLUS .