diff --git a/parascroll.js b/parascroll.js
index d65f2aa..7d1c44a 100644
--- a/parascroll.js
+++ b/parascroll.js
@@ -1,27 +1,28 @@
-document.addEventListener("DOMContentLoaded", function(){
-    var CLASS_NAME = ".parallax-bg";
-    var ATTR_NAME = "data-bgurl";
-    var SCROLL_SPEED = 0.6;
+document.addEventListener("DOMContentLoaded", () => {
+    const className = ".parallax";
+    const attrName = "data-bgurl";
+    const scrollSpeed = 0.6;
+    const elements = document.querySelectorAll(className);
+    const targets = [];
 
-    var elements = document.querySelectorAll(CLASS_NAME);
-    var targets = [];
-    for (var i = 0; i < elements.length; i++) {
-        var elem = elements[i];
-        var url = elem.getAttribute(ATTR_NAME);
+    elements.forEach(elem => {
+        const url = elem.getAttribute(attrName);
         if (url) {
-            elem.style.backgroundImage = "url('"+url+"')";
+            elem.style.backgroundImage = "url('" + url + "')";
             elem.style.backgroundAttachment = "fixed";
             elem.style.backgroundSize = "cover";
             targets.push(elem);
         }
-    }
-    var callback = function() {
-        for (var i = 0; i < targets.length; i++) {
-            var rekt = targets[i].getBoundingClientRect();
+    });
+
+    const callback = () => {
+        for (let i = 0; i < targets.length; i++) {
+            const rect = targets[i].getBoundingClientRect();
             targets[i].style.backgroundPosition = "50%" +
-                rekt.top*SCROLL_SPEED + "px";
+                rect.top * scrollSpeed + "px";
         }
     };
+
     window.onscroll = callback;
     callback();
 });
diff --git a/parascroll.min.js b/parascroll.min.js
index 81ce527..44f7c52 100644
--- a/parascroll.min.js
+++ b/parascroll.min.js
@@ -1 +1 @@
-document.addEventListener("DOMContentLoaded",function(){for(var a=".parallax-bg",b="data-bgurl",c=.6,d=document.querySelectorAll(a),e=[],f=0;f<d.length;f++){var g=d[f],h=g.getAttribute(b);h&&(g.style.backgroundImage="url('"+h+"')",g.style.backgroundAttachment="fixed",g.style.backgroundSize="cover",e.push(g))}var i=function(){for(var a=0;a<e.length;a++){var b=e[a].getBoundingClientRect();e[a].style.backgroundPosition="50%"+b.top*c+"px"}};window.onscroll=i,i()});
\ No newline at end of file
+document.addEventListener("DOMContentLoaded",()=>{const t=document.querySelectorAll(".parallax"),e=[];t.forEach(t=>{const o=t.getAttribute("data-bgurl");o&&(t.style.backgroundImage="url('"+o+"')",t.style.backgroundAttachment="fixed",t.style.backgroundSize="cover",e.push(t))});const o=()=>{for(let t=0;t<e.length;t++){const o=e[t].getBoundingClientRect();e[t].style.backgroundPosition="50%"+.6*o.top+"px"}};window.onscroll=o,o()});