Introduction to CSS if Statements and Conditional Logic

Conditional logic is a familiar concept to anyone who has written a programming language. Languages like JavaScript or Python use if/else statements to evaluate expressions and execute different blocks of code depending on whether the condition is true or false.

CSS Finally Gets Inline Conditional Logic With New if() Function

Powerful inline conditional logic comes to stylesheets for the first time. Here's how it works and what it means for developers.

The CSS if() function

Remember when you needed JavaScript for conditional styling? Those days are numbered. The CSS if() function is here, bringing conditional logic directly to your stylesheets. No more CSS-in-JS just for simple conditions!

Dynamic media/container queries using if()

Use modern CSS to express media queries and container queries differently

Counterfactuals (Stanford Encyclopedia of Philosophy)

Unconditional Love for Conditional CSS - Geoff Graham

(Re-published from the Smashing Magazine newsletter.)

The CSS if() function: Conditional styling will never be the same - LogRocket Blog

Explore how the if() function works, see practical examples, and compare it to existing CSS conditional techniques.

Dynamic nth-child() using sibling-index() and if()

Use modern CSS to control the arguments of nth-child() and update them on the fly

Lightly Poking at the CSS if() Function in Chrome 137 | CSS-Tricks

The CSS if() function was recently implemented in Chrome 137, making it the first instance where we have it supported by a mainstream browser. Let's poke at it a bit at a very high level.

CSS conditionals with the new if() function  |  Blog  |  Chrome for Developers

Learn about the new CSS if function, which enables a cleaner developer interface for dynamic styles like style queries and media queries.