Update Var Vs Let.js

Var Vs Let.js

@@ -3,26 +3,29 @@ for(var i =0;i<5;i++)
       setTimeout(()=>{console.log(i)},1)
 }
 
-// In this code snippet, we have a for loop that iterates five times. The loop variable i is declared
-//  using the var keyword, which means it has function scope rather than block scope. The loop iterates from i = 0 to i < 5
-// When the setTimeout functions execute after the loop has completed, 
-// the value of i is 5 at that time (since the loop has already finished, and i has reached the value 5). 
-// So, all five functions will log the value 5 to the console.
+/* In this code snippet, we have a for loop that iterates five times. The loop variable i is declared
+   using the var keyword, which means it has function scope rather than block scope. The loop iterates from i = 0 to i < 5
+   When the setTimeout functions execute after the loop has completed, 
+   the value of i is 5 at that time (since the loop has already finished, and i has reached the value 5). 
+   So, all five functions will log the value 5 to the console.*/
 
 for(let i =0;i<5;i++)
 {
     setTimeout(()=>{console.log(i)},1000)
 }
 
-// In this case, the loop variable i is declared using the let keyword, which means it has block scope. 
-// Each iteration of the loop will create a new variable i, and this variable will only be accessible inside the block of the loop.
-// With let, each iteration creates a new variable i with block scope.
-//  So, when each setTimeout function executes after the delay, 
-//  they reference their respective i variable from their respective loop iteration.
+/* In this case, the loop variable i is declared using the let keyword, which means it has block scope. 
+   Each iteration of the loop will create a new variable i, and this variable will only be accessible inside the block of the loop.
+   With let, each iteration creates a new variable i with block scope.
+   So, when each setTimeout function executes after the delay, 
+   they reference their respective i variable from their respective loop iteration.*/
 
+/* In summary, the main difference between the two versions is the scoping behavior of the loop variable i.
+   Using var results in function scope, causing the value of i to be shared across all iterations,
+   while using let results in block scope, providing each iteration with its own separate variable.*/
 
 
+/*The difference between let and var is in the scope of the variables they create:
 
-// In summary, the main difference between the two versions is the scoping behavior of the loop variable i.
-//  Using var results in function scope, causing the value of i to be shared across all iterations,
-//   while using let results in block scope, providing each iteration with its own separate variable.
+>>> Variables declared by let are only available inside the block where they’re defined.
+>>> Variables declared by var are available throughout the function in which they’re declared.*/