• What is JavaScript
• History & ES versions
• Role in Web Development
• JS Engine & Event Loop
• Adding JS to HTML
• Console & DevTools
• Comments

<script>
console.log("Hello, JavaScript!");
</script>

• var, let, const
• Data Types
• Type Conversion
• Operators
• Expressions
• Template Literals

let name="DostX";
console.log(`Welcome ${name}`);

• if else
• switch
• for while do
• for..of for..in
• break continue
• Nested loops

for(let i=1;i<=5;i++){
 console.log(i);
}

• Declaration & Expression
• Parameters & Return
• Arrow Functions
• Scope & Hoisting
• Callbacks
• Recursion

function greet(n){
 return "Hello "+n;
}
console.log(greet("Khushi"));

• Creating arrays
• push pop shift
• map filter reduce
• Multi-dimensional
• Spread & Rest

• String creation
• substring replace split
• trim includes
• Template literals
• Escape chars

• Object creation
• Access & modify
• this keyword
• keys values entries
• Nested objects

• DOM tree
• Select elements
• Modify content
• Create/remove
• Events
• Forms

• window document
• history navigator
• setTimeout
• alert prompt confirm

• let const
• Destructuring
• Modules
• Classes
• Promises
• Async Await

• try catch finally
• throw
• Custom errors
• Debugging

• JSON
• parse stringify
• Fetch GET POST
• Promises
• Async fetch

• Local storage
• Session storage
• Cookies

• Closures
• Hoisting
• Scope
• Prototype
• Event bubbling
• Debounce throttle

• Node & NPM
• React Vue Angular
• Webpack Vite
• Babel
• TypeScript