added logic to roundoff seconds to nearest 30 and format in hh:mm:ss

public/index.html

@@ -113,7 +113,7 @@
           </div>
           <div id="calculate-time-element" style="display: none;">
             <div class="title">
-              <h2>Estimated Reading Time: <span id="reading-time-element"></span> min</h2>
+              <h2>Estimated Reading Time(hh:mm:ss): <span id="reading-time-element"></span> hours</h2>
             </div>
             <div>
               Send your feedback on: behira.younes@univ-oran2.dz

public/index.js

@@ -139,8 +139,7 @@ function calculateReadingTime() {
         //x = (inputObj.numberOfCharacters * inputObj.schoolLevel * inputObj.category);
 
         let combination = inputObj.schoolLevel + '' + inputObj.category;
-        console.log(combination);
-        
+
         let C = inputObj.numberOfCharacters;
 
         switch (combination) {
@@ -209,11 +208,47 @@ function calculateReadingTime() {
                 break;
         }
 
-        // set value to html element
+        // get modulo division of x for rounding off till 30 seconds
+        let xMod60 = x % 60;
+        if (xMod60 <= 15) {
+            roundOff = 0;
+        }
+        if (xMod60 > 15 && xMod60 <= 30) {
+            roundOff = 30;
+        }
+        if (xMod60 > 30 && xMod60 <= 45) {
+            roundOff = 30;
+        }
+        if (xMod60 > 45) {
+            roundOff = 60;
+        }
+
+        // subtract mod seconds and add rounded off seconds
+        let roundedOffSeconds = x - xMod60 + roundOff;
+
+        // get formatted time in hh:mm:ss format
+        let formattedTime = getFormattedTime(roundedOffSeconds)
+
+        // set time value to html element
         var s = document.getElementById('reading-time-element');
-        s.innerHTML = x;
+        s.innerHTML = formattedTime;
         // display html element which shows time
         let element = document.getElementById('calculate-time-element');
         element.style.display = "block";
     }
 }
+
+// function getFormatted time
+// accepts seconds value and returns in hh:mm:ss format
+function getFormattedTime(totalSeconds) {
+    let hours = Math.floor(totalSeconds / 3600);
+    totalSeconds %= 3600;
+    let minutes = Math.floor(totalSeconds / 60);
+    let seconds = totalSeconds % 60;
+
+    minutes = String(minutes).padStart(2, "0");
+    hours = String(hours).padStart(2, "0");
+    seconds = String(seconds).padStart(2, "0");
+
+    return hours + ":" + minutes + ":" + seconds;
+}