Updates

Author: learning-zone

README.md

@@ -5,7 +5,7 @@
 ## Table of Contents
 
 * *[ES6 Interview Questions and Answers](es6-questions.md)*
-* *[JavaScript Coding Practice](javascript-programs.md)*
+* *[300+ JavaScript Coding Practice Questions](javascript-programs.md)*
 
 <br/>
 
@@ -9060,6 +9060,7 @@ console.log(sum);
 </div>
 
 #### Q. ***How to compare two objects in javascript?***
+#### Q. ***What is optional chaining in javascript?***
 
 *ToDo*
 

javascript-programs.md

@@ -300,14 +300,14 @@ if (!regularExpression.test(newPassword)) {
 }
 ```
 
-| RegEx            | Description                                                                                                             |
-| ---------------- | ----------------------------------------------------------------------------------------------------------------------- |
-| ^                | The password string will start this way                                                                                 |
-| (?=.\*[a-z])     | The string must contain at least 1 lowercase alphabetical character                                                     |
-| (?=.\*[A-Z])     | The string must contain at least 1 uppercase alphabetical character                                                     |
-| (?=.\*[0-9])     | The string must contain at least 1 numeric character                                                                    |
+| RegEx            | Description  |
+| ---------------- |--------------|
+| ^                | The password string will start this way |
+| (?=.\*[a-z])     | The string must contain at least 1 lowercase alphabetical character |
+| (?=.\*[A-Z])     | The string must contain at least 1 uppercase alphabetical character |
+| (?=.\*[0-9])     | The string must contain at least 1 numeric character |
 | (?=.[!@#\$%\^&]) | The string must contain at least one special character, but we are escaping reserved RegEx characters to avoid conflict |
-| (?=.{8,})        | The string must be eight characters or longer                                                                           |
+| (?=.{8,})        | The string must be eight characters or longer |
 
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