Summary  
This chapter covers using if statements for conditional execution, allowing code to evaluate a boolean expression and run a block of code only if that condition is true.

General domain of usage  
Weather-based user notifications

Imagine you are leaving your house and you look outside to check the weather. If it is raining, you decide to bring an umbrella; if it is not, you leave the umbrella at home. This everyday decision is just like how your code can make choices using an **if statement**. The if statement lets your program check a condition and then decide what to do next, just as you decide what to do depending on the weather.

let isRaining = true;

if (isRaining) {
  console.log("It's raining. Bring an umbrella!");
}

Which of the following conditions should you use inside an if statement to check if a variable named `isSunny` is true?

A clear, interactive introduction to program logic in JavaScript. This course explains how decisions, conditions, and loops shape the way programs run, using relatable examples and hands-on practice. Build the foundation for writing flexible, efficient, and readable code that truly responds to logic.

Discover how programs make choices and control what happens next. Explore the logic behind decision-making, from simple if statements to multiple-choice scenarios using else and switch structures.

Understand how operators and loops shape the flow of your programs. Work with comparison and logical operators to create precise conditions, and use different loop types to repeat actions efficiently.

Put decision-making and repetition together to solve real problems with clarity and efficiency. Strengthen your coding habits with best practices that make logic easier to read, maintain, and debug.

The if Statement