Initial

1 files changed, 19 insertions, 0 deletions

diff --git a/assets/js/main.js b/assets/js/main.js
new file mode 100644
index 0000000..6503c3a
--- /dev/null
+++ b/assets/js/main.js
@@ -0,0 +1,19 @@
+(function() {
+  const backToTopBtn = document.getElementById("back_to_top");
+
+  window.onscroll = function() {
+    scrollFunction(backToTopBtn);
+  };
+})();
+
+function scrollFunction(btn) {
+  const pageOffset =
+    document.documentElement.scrollTop || document.body.scrollTop;
+  if (btn) btn.style.visibility = pageOffset > 450 ? "visible" : "hidden";
+}
+
+// When the user clicks on the button, scroll to the top of the document
+function backToTop() {
+  document.body.scrollTop = 0; // For Safari
+  document.documentElement.scrollTop = 0; // For Chrome, Firefox, IE and Opera
+}