Decisions with If/Else Statements
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Objective
I can write code using "if/else" statements to make decisions in JavaScript.
Part 1 of 4
Warm-up video
Joseph Delgadillo · 10:54
We don't generate video — this one is by Joseph Delgadillo on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 4
Key concepts
3 concepts
- 1
An `if` statement in JavaScript starts with the keyword if, followed by a comparison in parentheses, and code to execute in curly brackets.
- 2
If the condition in an `if` statement is not true, an else statement can be used to execute alternative code.
- 3
The `else if` statement lets you check multiple conditions in a sequence, executing the code block for the first condition that evaluates to true.
Part 3 of 4
Practice
10 questions
What keyword is used to start an 'if' statement in JavaScript?
Explain the purpose of the 'else' statement in relation to an 'if' statement.
Part 4 of 4
Exit ticket
Quick comprehension check
“Write a JavaScript code snippet that checks if a variable called 'score' is greater than or equal to 70. If it is, print "You passed!". Otherwise, print "Try again.".”
Sample answer included in the free materials
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