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  <title>ondrag — vs dragstart &amp; dragend</title>

  <style>body{font-family:system-ui,sans-serif;margin:0;padding:1.5rem;background:#f8fafc;color:#334155;line-height:1.7}h1{margin:0 0 .75rem;font-size:1.25rem;color:#0f172a}.drag-box{display:inline-block;padding:1rem 1.25rem;border:2px dashed #cbd5e1;border-radius:8px;background:#fff;cursor:grab;user-select:none;max-width:420px}.drag-box:active{cursor:grabbing}ul{margin:1rem 0 0;padding-left:1.25rem;font-size:.8125rem;max-width:420px}li{margin-bottom:.35rem}.start{color:#15803d;font-weight:600}.drag{color:#1d4ed8;font-weight:600}.end{color:#b45309;font-weight:600}</style>

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  <h1>dragstart vs drag vs dragend</h1>

  <p>Drag the box and watch the event order. drag fires many times during movement.</p>

  <div class=drag-box id=box draggable=true>Drag me, then release.</div>

  <ul id=log></ul>



  <script>var box=document.getElementById("box"),log=document.getElementById("log"),dragCount=0,dragLine=null;function add(e,n){var t=document.createElement("li");n&&(t.className=n),t.textContent=e,log.appendChild(t),log.children.length>10&&log.removeChild(log.firstChild)}box.addEventListener("dragstart",(function(){dragCount=0,dragLine=null,add("dragstart (once at start)","start")})),box.addEventListener("drag",(function(){dragCount+=1,dragLine||((dragLine=document.createElement("li")).className="drag",log.appendChild(dragLine)),dragLine.textContent="drag (fired "+dragCount+" times while moving)"})),box.addEventListener("dragend",(function(){add("dragend (once at end) — total drag events: "+dragCount,"end")}))</script>

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HTML ondrag Attribute — vs dragstart & dragend