006-reserved.js

// WHAT ARE RESERVED WORDS?
// Examples
// let let = "hello"
// let function = 25

// CATEGORIES OF RESERVED WORDS IN JAVASCRIPT:-
// - Declaration Keywords
    // var, let, const, 
    // function, 
    // class

// - Control Flow Keywords
    // if, else, 
    // switch, case, default, 
    // for, while, do,
    //  break, continue, 
    // return, 

// - Value Keywords
    // true, false, 
    // null, 
    // undefined,

// Module and Import/Export Keywords
    // import, export, 
    // from, as

// - Other Keywords
    // this, new, delete, typeof, void,  
    // try, catch, finally, throw
    // in, of, instanceof,
    // with, yield, async, await

// 2. FUTURE RESERVED WORDS:
//    Examples: enum, implements, interface, package, private, protected, public, static

// 3. PRACTICAL TIPS.

// 4. BEST PRACTICES.
// let userName = "John"
// let useAge = 35;
// const isLoggedIn = true;

// const calculateTotal = function (){}

// const studentClass = "10th Grade"

// 5. COMMON MISTAKES.
    // let return = 10
    // let if = true

    // let Let = "Hello";
    // const Return = 100;

// 6. REAL-WORLD EXAMPLE
// ❌ Trying to use reserved words
// let class = "10th Grade";      // Error!
// let default = "Not Selected";  // Error!
// let new = true;                // Error!

// // ✅ Proper naming
// let studentClass = "10th Grade";
// let defaultValue = "Not Selected";
// let isNewStudent = true;