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3.1: Boolean Expressions 3.2: If Control Flow 3.3: If Else 3.4: Else If 3.5: Compound Booleans 3.6: Equivalent Booleans 3.7: Comparing Objects 3.8: Homework

Unit 3 Team Teach - 3.3

Unit 3 Team Teach

3.3 If Else Statements

Purpose of Else Statements

Else statements: Handles what happens when the if condition is false. Structure of If-Else:

  • If statement with a condition.
  • Else statement without a condition.
  • Both parts have code blocks surrounded by {}.

don’t forget the brackets

if (x > 10) {
    console.log("x is greater than 10");
    console.log("This code when the condition is true");
    } 

    else {
    console.log("x is 10 or less");
    console.log("This code runs when the condition is false");
    }
    
    if (x > 10)
    {
        console.log("x is greater than 10");
        console.log("this code will always run");
    }
    
    

image

  1. Based on this code, if you were younger than 16 what would it print out?
  2. Write your own if else statement

  3. If you were younger than 16, it would print out “You are not old enough for a license yet.”
if (y <= 5) {
    console.log("y is less than or equal to 5");
    }