added validation for minimum number of characters

public/index.js

@@ -12,6 +12,15 @@ let inputObj = {
 function handleTextRadioClick() {
     let textChoice = document.querySelector('input[name="text-input-option"]:checked').value;
     inputObj.textChoice = textChoice;
+    if (textChoice === 'manual') {
+        let value = removeSpecialCharacters(inputObj.text);
+        let characters = value.length;
+        setCharacterLength(characters);
+    } else {
+        let value = document.getElementById("inputTextCharacters").value;
+        setCharacterLength(value);
+    }
+    isFormValid();
     toggleElement('character-calculation-wrapper');
     toggleElement('manual-character-input');
 }
@@ -96,6 +105,13 @@ function isFormValid() {
         document.getElementById('category-validation').style.display = 'none';
     }
 
+    if ((inputObj.numberOfCharacters < 100 && (inputObj.schoolLevel === '1' || inputObj.schoolLevel === '2'))) {
+        invalidFields++;
+        document.getElementById('min-count-validation').style.display = 'block';
+    } else {
+        document.getElementById('min-count-validation').style.display = 'none';
+    }
+
     return invalidFields < 1
 }
 
@@ -238,7 +254,7 @@ function calculateReadingTime() {
     }
 }
 
-// function getFormatted time
+// function getFormattedTime
 // accepts seconds value and returns in hh:mm:ss format
 function getFormattedTime(totalSeconds) {
     let hours = Math.floor(totalSeconds / 3600);