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You included an incomplete HTML snippet: Use . Likely you’re asking what the attribute does and how to use it. Here’s a concise explanation and examples.

• data-sd-animate is a custom data attribute (prefixed with data-) used to store animation-related information on an element. The browser ignores it by default; JavaScript or CSS reads it to apply behavior.

How it’s commonly used

• Toggle or configure animations via JS: read the attribute value to choose an animation type, duration, or trigger.
• Hook for animation libraries: a script scans for [data-sd-animate] elements and initializes animations.
• Store state or parameters without polluting global JS variables.

Typical attribute values

• A single token: data-sd-animate=“fade-in”
• Multiple params (JSON or space/comma-separated): data-sd-animate=“fade-in 500ms delay:100ms” or `data-sd-animate=‘{“type”:“fade”,“duration”:500}’

Examples

1. Simple JS-triggered animation

<button id=“btn” data-sd-animate=“slide-up”>Show</button><div id=“panel” data-sd-animate=“slide-up”></div>
<script>document.querySelectorAll(’[data-sd-animate]’).forEach(el=>{const type = el.dataset.sdAnimate; // “slide-up”  // simple example: add a class matching the type  el.classList.add(type);});</script>

2. JSON params

<div data-sd-animate=’{“type”:“fade”,“duration”:300,“delay”:100}’></div>
<script>const cfg = JSON.parse(document.querySelector(’[data-sd-animate]’).dataset.sdAnimate);el.style.transitionDuration = cfg.duration + ‘ms’;setTimeout(()=> el.classList.add(‘fade-in’), cfg.delay);</script>

3. Using with an animation library (conceptual)

• A library might read data-sd-animate=“zoom” and call its animation API to run a “zoom” effect when the element enters the viewport.

Best practices

• Keep values simple or use JSON when you need multiple params.
• Sanitize/validate JSON if it’s user-supplied.
• Prefer CSS classes for purely visual effects; use data attributes as configuration hooks.
• Document supported attribute values for maintainability.

If you want, I can:

• Show a runnable example that animates on scroll.
• Suggest CSS animations for specific effects (fade, slide, zoom).