Update README.md

Author: Sushant2435

README.md

@@ -1,24 +1,35 @@
-**Q1. Is javascript a dynamically typed language or a statically typed language ?**
-Javascript is a dynamically typed language.
-It means all type checks are done at run time ( When program is executing )
-So, we can just assign anything to the variable and it works fine.
+## JavaScript Basics
 
-  let a;
-  a = 0;
-  console.log(a) // 0
-  a = "Hello"
-  console.log(a) // "Hello"
-          
-**Q2. What are the different datatypes in javascript ? (Most asked)**
-Primitive datatypes:
-String
-number
-boolean
-null
-undefined
-Bigint
-symbol
-Non-Primitive datatypes:
-Array
-Object
-Date
+### Index
+1. [Is JavaScript a dynamically typed language or a statically typed language?](#q1-is-javascript-a-dynamically-typed-language-or-a-statically-typed-language)
+2. [What are the different datatypes in JavaScript?](#q2-what-are-the-different-datatypes-in-javascript-most-asked)
+
+### Q1. Is JavaScript a dynamically typed language or a statically typed language?
+JavaScript is a dynamically typed language. It means all type checks are done at runtime (when the program is executing). So, we can just assign anything to the variable and it works fine.
+
+```javascript
+let a;
+a = 0;
+console.log(a); // 0
+a = "Hello";
+console.log(a); // "Hello";
+```
+[Back to Top](#javascript-basics)
+
+### Q2. What are the different datatypes in JavaScript? (Most asked)
+
+**Primitive datatypes:**
+- String
+- Number
+- Boolean
+- Null
+- Undefined
+- Bigint
+- Symbol
+
+**Non-Primitive datatypes:**
+- Array
+- Object
+- Date
+;
+[Back to Top](#javascript-basics)