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Animated Download Button JS

Transform a static download link into an engaging micro-interaction. This button seamlessly transitions from a download icon to a loading spinner, and finally to a success checkmark, providing clear and satisfying feedback to the user.

510

#javascript

#css

#button #animation

#download

#feedback #svg

#ui

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.dl-button {
  font-family: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background-color: #2563eb;
  color: #fff;
  border: none;
  padding: 14px 28px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.3);
  min-width: 160px;
}
.dl-button:hover {
  background-color: #1d4ed8;
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.4);
}
.dl-button.loading {
  background-color: #1f2937;
  cursor: wait;
  pointer-events: none;
}
.dl-button.success {
  background-color: #10b981;
  cursor: default;
  pointer-events: none;
}
.icon-container {
  display: flex;
  align-items: center;
  justify-content: center;
}
/* Spinner Animation */
.spinner {
  animation: spin 1s linear infinite;
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

function startDownload() {
  const btn = document.getElementById("dlBtn");
  const iconContainer = btn.querySelector(".icon-container");
  const label = btn.querySelector(".label");
  
  // Icons
  const loadingIcon = '<svg class="spinner" viewBox="0 0 24 24" width="24" height="24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 12a9 9 0 1 1-6.219-8.56"></path></svg>';
  const checkIcon = '<svg viewBox="0 0 24 24" width="24" height="24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"></polyline></svg>';
  const originalIcon = iconContainer.innerHTML;
  const originalText = label.innerText;

// Start Loading
  btn.classList.add("loading");
  label.innerText = "Downloading...";
  iconContainer.innerHTML = loadingIcon;

// Simulate Download Finish
  setTimeout(() => {
    btn.classList.remove("loading");
    btn.classList.add("success");
    label.innerText = "Saved!";
    iconContainer.innerHTML = checkIcon;

// Reset Button
    setTimeout(() => {
      btn.classList.remove("success");
      label.innerText = originalText;
      iconContainer.innerHTML = originalIcon;
    }, 2500);
  }, 2000);
}

Animated Download Button JS

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