add some lesson

Author: Ayush7Ranjan

04_if-statement/index.html

@@ -34,12 +34,35 @@
     }
 
     const cartQuantity = 5;
-    if(cartQuantity)
+    if(cartQuantity);
     {
-        console.log('cart has product')
+        console.log('cart has product');
     }
 
+    console.log(!0);
 
+    console.log('text'/5);
+
+    let variable1;
+    console.log(variable1);
+     
+
+    // Ternary operator
+
+    const result=true ? 'truthy' : 
+    'falsy'
+    console.log(result)
+
+    // guard operator
+
+        false && console.log('ayush')
+
+        // default operator
+
+        const currency ='INR'|| 'USD'
+        console.log(currency)
+
+        
     </script>
 
 </body>