writing hello world into the document

01_Day_Introduction/01_day_starter/helloworld.js

@@ -1 +1,7 @@
-console.log('Hello, World!')
+
+//To output in the console:
+console.log('Hello, World!');
+
+
+//to write into the document/page
+document.write("Hello World!");

01_Day_Introduction/01_day_starter/variable.js

@@ -8,6 +8,10 @@ let age = 100                 // age in years
 let isMarried = true
 
 // Declaring variables with number values
+// We can use keywords like var,let and const to declare variables
+// let allows one time declaration and multiple time value assignment 
+// const allows one time declarartion as well as assignment
+// var allows multiple declaration and assignment.
 
 const gravity = 9.81         // earth gravity  in m/s2
 const boilingPoint = 100     // water boiling point, temperature in oC
@@ -18,3 +22,4 @@ const PI = 3.14              // geometrical constant
 let name = 'Asabeneh',     //name of a person
   job = 'teacher',
   live = 'Finland'
+