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JavaScript Foundations · Lesson 5 of 10
Conditionals
Learn how JavaScript can choose between two paths based on whether a condition is true or false.
Starter
4 practice exercises
1 homework item
What you will learn
- Learn how JavaScript can choose between two paths based on whether a condition is true or false.
- Recognize simple if and if/else patterns in tiny beginner examples.
- Connect booleans and comparisons to simple code decisions.
Lesson shape
14 minute lesson with 11 sections, 4 exercises, 8 checkpoint questions, and 1 homework submission.
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Lesson outline
What this lesson includes
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What a conditional is in plain English
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The simple if idea
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The simple if/else idea
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Tiny example 1: show one message if a user is logged in
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Tiny example 2: react differently if a score is high enough
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Tiny example 3: one path if a button was clicked and another if it was not
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How conditionals connect to booleans and comparison operators
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Separate the parts of a conditional
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Common beginner mistakes with conditionals
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Short recap before lesson 6
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Homework
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Conditionals: quick check
Create a very small example or corrected snippet that demonstrates the main idea from Conditionals.
Keep moving
Finish this lesson, then move forward without losing your place.
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