How to Write Loops with Preprocessors

Preprocessors significantly enhance CSS and HTML capabilities, offering looping functionalities absent in native languages. While not daily necessities, loops prove invaluable when needed. This guide explores loop implementation across various popular preprocessors.

Sass (SCSS) Looping

Sass provides robust looping mechanisms: for, while, and each loops.

for Loop

while Loop

each Loop

Less Looping

Less also supports for, while, and each loops.

for Loop

while Loop

(Functionally similar to a while loop.)

each Loop

Stylus Looping

Stylus primarily focuses on for loops, which often behave like each loops. It offers limited while loop support.

for Loop

while Loop

(Limited support compared to for loops.)

each Loop

(Often implicitly handled by the for loop structure.)

Pug Looping

Pug offers comprehensive looping capabilities mirroring other preprocessors.

for Loop

while Loop

each Loop

Haml Looping

Haml provides similar looping functionality to Pug.

for Loop

while Loop

each Loop

Slim Looping

Slim's looping features are comparable to those of Haml and Pug.

for Loop

while Loop

each Loop

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