**Is CSS or Web Animations the Ideal Replacement for SVG\'s Deprecating SMIL Animations?**

SVG Animations: Deprecating SMIL in Favor of CSS or Web Animations

The discontinuation of SVG's SMIL animations has raised concerns among developers, who have relied on it for various effects. However, this deprecation provides an opportunity to explore alternative animation methods, such as CSS or Web animations.

1) Hover Effect

To replicate the hover effect using CSS, simply add the following to your CSS rules:

<code class="css">.element_tpl:hover {
    stroke-opacity: 0.5;
}</code>

2) Scaling Animation

For the scaling animation after a change has been committed, consider using a combination of CSS transitions and keyframes.

<code class="css">.element_tpl {
    transition: transform 0.5s ease-in-out;
}

@keyframes scale-transition {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.12);
    }
    100% {
        transform: scale(1);
    }
}

.element_tpl--transition {
    animation: scale-transition 0.5s infinite;
}</code>

3) Scale Up/Down Animation

To animate scale up and scale down on click, you can use CSS's transform property:

<code class="css">.element_tpl:active {
    transform: scale(1.1);
}</code>

Note: Ensure that you include pointer-events: none on any passive elements to prevent unintended interactions.

Preserving SMIL Animations

While SMIL support has been deprecated, there are still options for preserving your existing SMIL animations. The most viable solution is to use Eric Willigers' SMIL polyfill, which implements SMIL using Web Animations API.

Conclusion

The deprecation of SMIL's SVG animations presents an opportunity to embrace more modern and performant animation techniques. By leveraging CSS or Web animations, developers can create engaging and dynamic SVG animations without compromising functionality or user experience.

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