FSCSS Animation Example

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Are you looking for an example of FSCSS animation? Look no further! In this article, we will explore two examples of FSCSS animations, including a simple color and size change, and a loading animation with dots. We will also delve into the code and provide explanations for each example.

Example 1: Simple Color and Size Change

The first example from DEV Community demonstrates how to create an animation that changes the background color, width, and height of both an <h1> and a <div> element.

HTML

<h1></h1>
<div></div>

FSCSS

$(@KEYFRAMES H1, DIV &[3S LINEAR INFINITE]){
  0%{ BACKGROUND: RED; %2(WIDTH, HEIGHT[: 0;]) }
  100%{ BACKGROUND: #00F; %2(WIDTH, HEIGHT[: 150PX;]) }
}

Explanation

  • $(@KEYFRAMES H1, DIV &[3S LINEAR INFINITE]): This targets both the <h1> and <div> elements and defines a set of keyframes for an animation that lasts for 3 seconds, has a linear timing function, and repeats infinitely.
  • 0%{ BACKGROUND: RED; %2(WIDTH, HEIGHT[: 0;]) }: At the beginning of the animation (0%), the background color is red, and both the width and height are 0.
  • 100%{ BACKGROUND: #00F; %2(WIDTH, HEIGHT[: 150PX;]) }: At the end of the animation (100%), the background color changes to blue (#00F), and both the width and height become 150 pixels.
  • %2(WIDTH, HEIGHT[: ...]): This is likely a shorthand in FSCSS to apply the same value to multiple CSS properties (in this case, width and height).

Example 2: Loading Animation with Dots

The second example from DEV Community demonstrates a loading animation using a <div> with the name attribute set to "box". It involves animating the content pseudo-element to display a sequence of dots.

HTML

<h1 class="box">
  <div name='box'>loading</div>
</h1>

FSCSS

$bg-stack: linear-gradient(30deg, #555 0% 40% , #770 10% 80%, #555 30% 50%);
.box{
  background: $bg-stack!;
}
$(name:box):after{
  content:'';
}
$(name: box) {
  width: 300px;
  padding-left: 50px;
  color: #aad;
}
$(@keyframes dot, $(name:box):after &[5s linear infinite]){
  0%{ content: "."; }
  50%{ content: "rpt(1, '. .')"; }
  100%{ content: "rpt(2, '. . .')"; }
}

Explanation

  • $bg-stack: ...: This defines a variable for a linear gradient background.
  • .box{ background: $bg-stack!; }: Applies the gradient background to the element with the class "box".
  • $(name:box):after{ content:''; }: the ::after pseudo-element of the <div> with name="box" and initially sets its content to empty.
  • $(name: box) { ... }: Styles the <div> with name="box" by setting its width, padding, and color.
  • $(@keyframes dot, $(name:box):after &[5s linear infinite]){ ... }: Defines the keyframes for the animation named "dot" that applies to the ::after pseudo-element. It runs for 5 seconds, has a linear timing function, and repeats infinitely.
  • 0%{ content: "."; }, 50%{ content: "rpt(1, '. .')"; }, 100%{ content: "rpt(2, '. . .')"; }: These keyframes change the content of the ::after pseudo-element to display one, then two, then three dots, creating a loading animation effect. The rpt() function likely repeats the given string.

Using FSCSS Animations in Your Project

To use these examples, you would typically include the FSCSS execution script in your HTML:

<script src='https://combinatronics.io/Figsh/FSCSS/refs/heads/4.0.1/fscss_exec.js' async=""></script>

Then, you would place your HTML structure and the FSCSS code within <style> tags or in a separate .fscss file. The FSCSS script will then process this code and apply the corresponding CSS styles and animations to your HTML elements.

In our previous article, we explored two examples of FSCSS animations, including a simple color and size change, and a loading animation with dots. We also delved into the code and provided explanations for each example. In this article, we will answer some frequently asked questions about FSCSS animations.

Q: What is FSCSS?

A: FSCSS is a preprocessor for CSS that allows you to write CSS code in a more concise and readable way. It is similar to other preprocessors like Sass and Less, but with its own unique features and syntax.

Q: How do I get started with FSCSS?

A: To get started with FSCSS, you will need to include the FSCSS execution script in your HTML file. You can do this by adding the following line of code to your HTML file:

<script src='https://combinatronics.io/Figsh/FSCSS/refs/heads/4.0.1/fscss_exec.js' async=""></script>

Q: What is the difference between FSCSS and CSS?

A: FSCSS is a preprocessor for CSS, which means that it allows you to write CSS code in a more concise and readable way. However, the resulting CSS code is still compatible with most modern browsers. In other words, FSCSS is a way to write CSS code that is easier to read and maintain, but still produces the same output as CSS.

Q: Can I use FSCSS with other preprocessors like Sass or Less?

A: Yes, you can use FSCSS with other preprocessors like Sass or Less. However, you will need to use a tool like Gulp or Webpack to compile the FSCSS code into CSS.

Q: How do I animate elements with FSCSS?

A: To animate elements with FSCSS, you will need to use the @KEYFRAMES directive to define a set of keyframes for the animation. You can then apply the animation to an element using the animation property.

Q: Can I use FSCSS to create complex animations?

A: Yes, you can use FSCSS to create complex animations. FSCSS supports a wide range of animation features, including keyframe animations, transitions, and more.

Q: How do I troubleshoot FSCSS animations?

A: To troubleshoot FSCSS animations, you can use the FSCSS console to inspect the animation and identify any issues. You can also use the FSCSS debugger to step through the animation and identify any problems.

Q: Can I use FSCSS with other frameworks like React or Angular?

A: Yes, you can use FSCSS with other frameworks like React or Angular. However, you will need to use a tool like Webpack or Gulp to compile the FSCSS code into CSS.

Q: Is FSCSS compatible with all modern browsers?

A: Yes, FSCSS is compatible with most modern browsers, including Chrome, Firefox, Safari, and Edge. However, you may need to use a polyfill or a fallback older browsers.

Q: Can I use FSCSS to create responsive designs?

A: Yes, you can use FSCSS to create responsive designs. FSCSS supports a wide range of responsive design features, including media queries, flexbox, and more.

Q: How do I optimize FSCSS animations for performance?

A: To optimize FSCSS animations for performance, you can use techniques like animation caching, animation reuse, and more. You can also use tools like Lighthouse or WebPageTest to analyze the performance of your FSCSS animations.

In conclusion, FSCSS animations offer a powerful way to create engaging and interactive web experiences. By using the examples provided in this article, you can create your own FSCSS animations and take your web development skills to the next level.