js/back-to-top.js in jekyll-theme-fica-0.1.9 vs js/back-to-top.js in jekyll-theme-fica-0.2.0

@@ -1,48 +1,48 @@
-const BackToTop = document.querySelector("#back-to-top");
-
-window.addEventListener("scroll", scrollFunction);
-
-function scrollFunction() {
-  if (window.pageYOffset > 200) { // Show BackToTop
-    if(!BackToTop.classList.contains("BTT-Entrance")) {
-      BackToTop.classList.remove("BTT-Exit");
-      BackToTop.classList.add("BTT-Entrance");
-      BackToTop.style.display = "block";
-    }
-  }
-  else { // Hide BackToTop
-    if(BackToTop.classList.contains("BTT-Entrance")) {
-      BackToTop.classList.remove("BTT-Entrance");
-      BackToTop.classList.add("BTT-Exit");
-      setTimeout(function() {
-        BackToTop.style.display = "none";
-      }, 250);
-    }
-  }
-}
-
-BackToTop.addEventListener("click", smoothScrollBackToTop);
-
-function smoothScrollBackToTop() {
-  const targetPosition = 0;
-  const startPosition = window.pageYOffset;
-  const distance = targetPosition - startPosition;
-  const duration = 750;
-  let start = null;
-  
-  window.requestAnimationFrame(step);
-
-  function step(timestamp) {
-    if (!start) start = timestamp;
-    const progress = timestamp - start;
-    window.scrollTo(0, easeInOutCubic(progress, startPosition, distance, duration));
-    if (progress < duration) window.requestAnimationFrame(step);
-  }
-}
-
-function easeInOutCubic(t, b, c, d) {
-	t /= d/2;
-	if (t < 1) return c/2*t*t*t + b;
-	t -= 2;
-	return c/2*(t*t*t + 2) + b;
+const BackToTop = document.querySelector("#back-to-top");
+
+window.addEventListener("scroll", scrollFunction);
+
+function scrollFunction() {
+  if (window.pageYOffset > 200) { // Show BackToTop
+    if(!BackToTop.classList.contains("BTT-Entrance")) {
+      BackToTop.classList.remove("BTT-Exit");
+      BackToTop.classList.add("BTT-Entrance");
+      BackToTop.style.display = "block";
+    }
+  }
+  else { // Hide BackToTop
+    if(BackToTop.classList.contains("BTT-Entrance")) {
+      BackToTop.classList.remove("BTT-Entrance");
+      BackToTop.classList.add("BTT-Exit");
+      setTimeout(function() {
+        BackToTop.style.display = "none";
+      }, 250);
+    }
+  }
+}
+
+BackToTop.addEventListener("click", smoothScrollBackToTop);
+
+function smoothScrollBackToTop() {
+  const targetPosition = 0;
+  const startPosition = window.pageYOffset;
+  const distance = targetPosition - startPosition;
+  const duration = 750;
+  let start = null;
+  
+  window.requestAnimationFrame(step);
+
+  function step(timestamp) {
+    if (!start) start = timestamp;
+    const progress = timestamp - start;
+    window.scrollTo(0, easeInOutCubic(progress, startPosition, distance, duration));
+    if (progress < duration) window.requestAnimationFrame(step);
+  }
+}
+
+function easeInOutCubic(t, b, c, d) {
+	t /= d/2;
+	if (t < 1) return c/2*t*t*t + b;
+	t -= 2;
+	return c/2*(t*t*t + 2) + b;
 };
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