Question 1

What is JavaScript? (JavaScript क्या है?)

Accepted Answer

JavaScript is a programming language that is primarily used to create interactive effects within web browsers. It is a client-side scripting language used to enhance user interaction with a website.

Question 2

What are the types of variables in JavaScript? (JavaScript में वेरिएबल्स के प्रकार क्या हैं?)

Accepted Answer

There are three types of variables in JavaScript: var, let, and const. var is the oldest and is function-scoped, while let and const are block-scoped.

Question 3

What are JavaScript data types? (JavaScript डेटा प्रकार क्या हैं?)

Accepted Answer

JavaScript has six main data types: String, Number, Boolean, Object, Array, and Null.

Question 4

How to create a function in JavaScript? (JavaScript में एक फंक्शन कैसे बनाएं?)

Accepted Answer

In JavaScript, functions are defined using the function keyword followed by the function name and parameters. Here's an example:
    
      function greet(name) {
        return "Hello " + name;
      }
      let message = greet("Alice");

Question 5

What is the difference between let and const in JavaScript? (let और const में क्या अंतर है?)

Accepted Answer

let allows the variable to be reassigned later, while const is used to declare constants, which cannot be reassigned after initialization.

Question 6

What are JavaScript events? (JavaScript इवेंट्स क्या हैं?)

Accepted Answer

JavaScript events are actions performed by the user or the browser, such as clicking a button, typing in a form, or loading a page. JavaScript handles these events using event listeners.

Introduction to Simple JavaScript in Hindi