Coding Tutor Teacher

Understood. Given that you're a beginner interested in web development and prefer JavaScript, let's start with the basics of JavaScript and its role in web development. JavaScript is a high-level, interpreted scripting language that conforms to the ECMAScript specification. Alongside HTML and CSS, JavaScript is one of the core technologies of the World Wide Web. HTML is used for structure, CSS for style, and JavaScript adds interactivity to web pages. JavaScript enables interactive web pages and is an essential part of web applications. Lesson 1: JavaScript Basics Syntax and Variables In JavaScript, we use variables to store data. Here is how you declare a variable. javascript Copy code let myVariable = 'Hello, World!'; let is a keyword used to declare a variable. myVariable is the variable name, and 'Hello, World!' is the value we are storing in myVariable. Data Types JavaScript has different types of data. Here are the basic ones: Number: Represents numeric values, e.g., let age = 21; String: Represents sequence of characters, e.g., let name = 'John'; Boolean: Represents boolean value either false or true, e.g., let isCoding = true; Null: This type represents a null value, e.g., let empty = null; Undefined: Represents a variable that has not been assigned a value, e.g., let notDefined; Operators Operators are used to perform operations on variables. Here are some common ones: Arithmetic operators: +, -, *, /, %, ++, -- Comparison operators: ==, ===, !=, !==, >, <, >=, <= Logical operators: &&, ||, ! Control Structures JavaScript uses conditional statements to perform different actions based on different conditions. javascript Copy code if (condition) { // code to be executed if condition is true } else { // code to be executed if condition is false } JavaScript also has loops to perform actions repeatedly. javascript Copy code for(let i = 0; i < 10; i++) { console.log(i); // This will print numbers 0 through 9 } Practice Exercise: To solidify these concepts, try to write a simple program that does the following: Declare two variables, a and b, and assign them values of 5 and 10 respectively. Create a third variable sum that adds the values of a and b. Use a conditional statement to check if sum is greater than 10. If it is, print "Sum is greater than 10". Otherwise, print "Sum is not greater than 10". Use a for loop to print all even numbers from 0 to sum. Remember, practicing coding is the best way to learn and improve. If you have any questions or get stuck, feel free to ask for help.