Control flow · Lesson 10 of 45

Conditions: if and else

Let your code make decisions.

8 minutes3 games

if runs its block when the condition is true, else when it isn't, and else if adds more conditions. They're checked top to bottom and only the first true one runs.

Step by step1 / 4

▶const grade = 76
2if (grade >= 85) {
3 console.log("Excellent")
4} else if (grade >= 65) {
5 console.log("Good")
6} else {
7 console.log("Keep going")
8}

Variables

grade

Output

…

JavaScript

const grade = 76

if (grade >= 85) {
  console.log("Excellent")
} else if (grade >= 65) {
  console.log("Good")
} else {
  console.log("Keep going")
}

Change the grade and see the result.

Order the lines

Order it: above 30 print Hot, otherwise Nice.

Click the lines in the right order

What's the output?

const x = 10
if (x > 5) {
  console.log("A")
} else if (x > 8) {
  console.log("B")
}

What will this code print?

Exercise

Print Adult if age is 18 or more, otherwise Minor.

Expected output: Adult

JavaScript

const age = 20

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Played 0 of 3 games

JavaScript

Control flow · Lesson 10 of 45

Conditions: if and else

Let your code make decisions.

8 minutes3 games

if runs its block when the condition is true, else when it isn't, and else if adds more conditions. They're checked top to bottom and only the first true one runs.

Step by step1 / 4

▶const grade = 76
2if (grade >= 85) {
3 console.log("Excellent")
4} else if (grade >= 65) {
5 console.log("Good")
6} else {
7 console.log("Keep going")
8}

Variables

grade

Output

…

JavaScript

const grade = 76

if (grade >= 85) {
  console.log("Excellent")
} else if (grade >= 65) {
  console.log("Good")
} else {
  console.log("Keep going")
}

Change the grade and see the result.

Order the lines

Order it: above 30 print Hot, otherwise Nice.

Click the lines in the right order

What's the output?

const x = 10
if (x > 5) {
  console.log("A")
} else if (x > 8) {
  console.log("B")
}

What will this code print?

Exercise

Print Adult if age is 18 or more, otherwise Minor.

Expected output: Adult

JavaScript

const age = 20

Learn more from

Played 0 of 3 games