changes made for Implicit and Explicit Conv added comments

Author: parulsharma0103

explicit-and-implicit-conversion-in-javascript.js

@@ -19,14 +19,32 @@ Use console.log() to clearly show the before-and-after type conversions.
 */
 
 
-let result = "5" - 2;
+let result = Number("5") - 2; // Use explicit Number() conversion
 console.log("The result is: " + result);
 
-let isValid = Boolean("false");
+let isValid = Boolean("false")=== true;  // Or use a specific condition
 if (isValid) {
     console.log("This is valid!");
 }
 
 let age = "25";
-let totalAge = age + 5;
-console.log("Total Age: " + totalAge);
+let totalAge = Number(age) + 5;  // Convert age to a number
+console.log("Total Age: " + totalAge); // Now it's 30
+
+// Examples
+// Implicit Type Conversion (String + Number)
+let implicitConversion = "5" + 2; // JavaScript implicitly converts 2 to a string and concatenates
+console.log("Implicit Conversion Result: " + implicitConversion); // Output: "52" (String)
+
+// Explicit Type Conversion (String to Number)
+let explicitConversion = Number("5") + 2; // Explicitly convert the string "5" to a number before addition
+console.log("Explicit Conversion Result: " + explicitConversion); // Output: 7 (Number)
+
+
+// Handling Edge Case: NaN and undefined
+let invalidConversion = Number("hello"); // "hello" is not a number, so the result is NaN
+let undefinedConversion = Number(undefined); // undefined is converted to NaN
+
+console.log("Invalid Conversion Result (NaN): " + invalidConversion); // Output: NaN
+console.log("Undefined Conversion Result (NaN): " + undefinedConversion); // Output: NaN
+