FINI

JS/bouton.js

@@ -0,0 +1,22 @@
+let bouton;
+window.onload = function() {
+    bouton = document.getElementById("haut");
+    bouton.style.display = "none";
+}
+
+window.onscroll= function() {descente()};
+
+function descente(){
+    if (document.body.scrollTop > 20 || document.documentElement.scrollTop > 20) {
+        bouton.style.display = "block";
+    }
+    else {
+        bouton.style.display = "none";
+    }
+}
+
+function EnHaut(){
+    document.body.scrollTop = 0;
+    document.documentElement.scrollTop = 0;
+    bouton.style.display = "none";
+}

JS/burger.js

@@ -0,0 +1,8 @@
+function myFunction() {
+    var x = document.getElementById("myTopnav");
+    if (x.className === "topnav") {
+      x.className += " responsive";
+    } else {
+      x.className = "topnav";
+    }
+  }