refactor: semantic class names

Author: solygambas

002-progress steps/index.html

@@ -10,10 +10,10 @@
     <div class="container">
       <div class="progress-container">
         <div class="progress" id="progress"></div>
-        <div class="circle active">1</div>
-        <div class="circle">2</div>
-        <div class="circle">3</div>
-        <div class="circle">4</div>
+        <div class="step active">1</div>
+        <div class="step">2</div>
+        <div class="step">3</div>
+        <div class="step">4</div>
       </div>
       <button class="btn" id="prev" disabled>Prev</button>
       <button class="btn" id="next">Next</button>

002-progress steps/script.js

@@ -1,13 +1,13 @@
 const progress = document.getElementById("progress");
 const prev = document.getElementById("prev");
 const next = document.getElementById("next");
-const circles = document.querySelectorAll(".circle");
+const steps = document.querySelectorAll(".step");
 
 let currentActive = 1;
 
 next.addEventListener("click", () => {
   currentActive++;
-  if (currentActive > circles.length) currentActive = circles.length;
+  if (currentActive > steps.length) currentActive = steps.length;
   update();
 });
 
@@ -18,15 +18,15 @@ prev.addEventListener("click", () => {
 });
 
 const update = () => {
-  circles.forEach((circle, index) => {
-    if (index < currentActive) circle.classList.add("active");
-    else circle.classList.remove("active");
+  steps.forEach((step, index) => {
+    if (index < currentActive) step.classList.add("active");
+    else step.classList.remove("active");
   });
   const actives = document.querySelectorAll(".active");
   progress.style.width =
-    ((actives.length - 1) / (circles.length - 1)) * 100 + "%";
+    ((actives.length - 1) / (steps.length - 1)) * 100 + "%";
   if (currentActive === 1) prev.disabled = true;
-  else if (currentActive === circles.length) next.disabled = true;
+  else if (currentActive === steps.length) next.disabled = true;
   else {
     prev.disabled = false;
     next.disabled = false;

002-progress steps/style.css

@@ -57,7 +57,7 @@ body {
   transition: 0.4s ease;
 }
 
-.circle {
+.step {
   background-color: #fff;
   color: #999;
   border-radius: 50%;
@@ -70,7 +70,7 @@ body {
   transition: 0.4s ease;
 }
 
-.circle.active {
+.step.active {
   border-color: var(--line-border-fill);
 }