🔄 Lesson 5: Loops (Repetition)
⏱️ Estimated time: 20 minutes | Difficulty: Beginner
Automation
Loops allow you to run the same code multiple times, which is essential for working with data collections like arrays.
If Statements
let age = 18;
if (age >= 18) {
console.log("You can vote!");
}let score = 75;
if (score >= 90) {
console.log("Grade: A");
} else if (score >= 80) {
console.log("Grade: B");
} else {
console.log("Grade: C");
}Switch Statements
let day = "Monday";
switch(day) {
case "Monday":
console.log("Start of week");
break;
case "Friday":
console.log("Almost weekend!");
break;
default:
console.log("Some other day");
}