Let’s Use the CSS random() Function in All Browsers
Add randomness to designs with the new CSS random() function.
1The Concept of Randomness in CSS
The CSS random() function aims to add controlled randomness to web designs. This function can allow users to experience something different with each page load. For example, the positions or colors of elements on a page can change with each load. This offers significant potential for creative and dynamic designs.
2Safari's Pioneering Role
In 2025, Safari became the first browser to support the CSS random() function. This update aimed to solve common use cases with HTML and CSS and reduce dependency on JavaScript. Safari's move is seen as a significant milestone in the future development of CSS.
3The Status of Other Browsers
Following Safari's support for the CSS random() function, there are signs that Chrome and Firefox are also working on this feature. However, it is still unclear when it will be available in these browsers. This uncertainty means developers can currently only test this feature in Safari.
4Use Cases for CSS random() Function
The CSS random() function is designed for use in dynamic and interactive designs. For example, background images on a webpage could change randomly, or buttons could appear in different colors with each load. This could allow users to have a different experience with each visit.
5Polyfill Solutions
The lack of support for the CSS random() function in all browsers has led developers to polyfill solutions. A polyfill mimics a feature not yet supported in a browser using JavaScript. This allows developers to use the CSS random() function across all browsers.
6Challenges of CSS Polyfill
Creating a CSS polyfill can be a challenging process, especially for a complex function like CSS random(). This process requires correctly handling technical details such as random caching and key semantics. Additionally, the CSS random() function is still in its early stages, and major changes are expected.
7Safari's WebKit Engine
Safari's support for the CSS random() function is made possible by the open-source and transparent nature of the WebKit engine. WebKit is the browser engine that powers Safari and is developed by Apple. This engine allows developers to experiment with and develop new features like CSS random().
8The Future of CSS random() Function
The future of the CSS random() function depends on how quickly browsers adopt this feature. If major browsers like Chrome and Firefox begin to support it, the concept of randomness in web design could become widespread. This could mark the beginning of a new era for dynamic and interactive designs.
9Limitations of CSS random() Function
The CSS random() function, being in its early stages, has some limitations. For example, more standardization is needed for this function to work consistently across browsers. Additionally, the performance impacts of the CSS random() function are not yet fully understood.
10The Potential of CSS random() Function
The CSS random() function has the potential to add a new dimension to web designs. This function offers significant opportunities for creative and dynamic designs. If browsers quickly adopt this feature, the concept of randomness in web design could become widespread.
11Implementation of CSS random() Function
The implementation of the CSS random() function offers a new experience for developers. This function is designed for use in dynamic and interactive designs. For example, background images on a webpage could change randomly, or buttons could appear in different colors with each load.
12The Importance of CSS random() Function
The CSS random() function has the potential to add a new dimension to web designs. This function offers significant opportunities for creative and dynamic designs. If browsers quickly adopt this feature, the concept of randomness in web design could become widespread, allowing users to have a different experience with each visit.
Original article: CSS-Tricks — CSS random() Fonksiyonunu Tüm Tarayıcılarda Kullanalım