Progress Line Draws

SVG line draws itself based on scroll

How to use it

Paste the HTML where the scroll effects should appear. Include the script tags at the top once per page.
Add the CSS to your stylesheet. All classes are prefixed, so nothing clashes with your own styles.
Add the JavaScript and call init() with the element that contains the HTML.

<!-- Progress Line Draws · Bron: Codrops · licentie MIT. Laat deze vermelding staan bij hergebruik. -->
<!-- benodigd, één keer per pagina: -->
<script src="https://cdn.jsdelivr.net/npm/gsap@3.13.0/dist/gsap.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/gsap@3.13.0/dist/ScrollTrigger.min.js"></script>

<div class="jouw-container">
<div class="pld"><svg class="pld-svg" viewBox="0 0 400 200" preserveAspectRatio="none"><path class="pld-path" d="M10 180 C 120 180 100 40 200 40 S 300 180 390 30" fill="none" stroke="#F5480F" stroke-width="4" stroke-linecap="round"/></svg></div>
</div>

/* Progress Line Draws · Bron: Codrops · licentie MIT. Laat deze vermelding staan bij hergebruik. */
.pld{position:absolute;inset:0;background:#0a0a0a;display:flex;align-items:center;justify-content:center}.pld-svg{width:80%;height:70%}.pld-path{stroke-dasharray:1;stroke-dashoffset:1}

// Progress Line Draws · Bron: Codrops · licentie MIT. Laat deze vermelding staan bij hergebruik.
// root = het element waarin de HTML staat
function init(root){
root=root.querySelector('.pld')||root;var path=root.querySelector('.pld-path');var len=path.getTotalLength();path.style.strokeDasharray=len;path.style.strokeDashoffset=len;var reduce=matchMedia('(prefers-reduced-motion:reduce)').matches;if(reduce){path.style.strokeDashoffset=0;return;}if(!window.gsap||!window.ScrollTrigger){path.style.transition='stroke-dashoffset 1s ease';path.style.strokeDashoffset=0;return;}gsap.to(path,{strokeDashoffset:0,ease:'none',scrollTrigger:{trigger:root,start:'top 80%',end:'bottom 40%',scrub:true}});
}
init(document.querySelector('.jouw-container'));

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