fix the error

Author: shirinpanahian

Sprint-2/2-mandatory-errors/0.js

@@ -5,4 +5,4 @@
 We don't want the computer to run these 2 lines - how can we solve this problem???*/
 
 // we can put "//" in the beginning of the line so computer ignore them
-// or put them between /* and */
+// or put them between /* and */

Sprint-2/2-mandatory-errors/1.js

@@ -3,4 +3,5 @@
 let age = 33;
 age = age + 1;
 console.log(`${age}`);
-//We should use let if we want to change the value.
+//We should use let if we want to change the value.
+//Before I changed const to let node show this error message: (Assignment to constant variable.)

Sprint-2/2-mandatory-errors/2.js

@@ -3,4 +3,3 @@
 const cityOfBirth = "Bolton";
 console.log(`I was born in ${cityOfBirth}`);
 // This error (Cannot access 'cityOfBirth' before initialization) is because we need to declare the variable before using it.
-

Sprint-2/2-mandatory-errors/3.js

@@ -1,4 +1,4 @@
 const cardNumber = 4533787178994213;
 const last4Digits = String(cardNumber).slice(-4);
 console.log(`${last4Digits}`);
-// we get error (cardNumber.slice is not a function) because slice is a String method
+// we get error (cardNumber.slice is not a function) because slice is a String method

Sprint-2/2-mandatory-errors/4.js

@@ -1,3 +1,3 @@
 const HourClockTime12 = "8:53pm";
 const hourClockTime24 = "20:53";
-//JavaScript variable names cannot start with a number.
+//JavaScript variable names cannot start with a number.