JavaScript Data Types Explained 2026 #3 | How JS Understands Data

Learn JavaScript data types in this beginner-friendly 2026 tutorial. Understand how JavaScript interprets strings, numbers, booleans, arrays, and objects with simple examples.

Learn how JavaScript understands different types of data including strings, numbers, booleans, arrays, and objects. Beginner-friendly guide for 2026.

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//Understand what data types are

//Know the difference between strings, numbers, booleans

//Avoid common bugs caused by wrong data types

//Think like a developer when handling user input

let name = "Jhon";

let age = 33;

let isloggedIn = true;

let num = "44";

let b = age +4;

console.log(b);

console.log(typeof name);

console.log(typeof age);

console.log(typeof isloggedIn);


 

let Salary = "40000";

console.log(typeof Salary);

Salary = Number(Salary);

console.log(typeof Salary);

Salary = String(Salary);

console.log(typeof Salary);

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