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Recap - Simple Logic

Part of the Fundamentals section of Coddy's JavaScript journey. Lesson 20 of 77.

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Challenge

Beginner

You are given a code, change the values of the variables b1, b2  and b3 so that b4 will hold True.

Try it yourself

// Change the three values below so the combined condition holds
let b1 = false
let b2 = false
let b3 = true

// Don't change the line below
let b4 = b1 && b2 && (!b3)
console.log(`b4 = ${b4}`)

All lessons in Fundamentals

1Introduction

The LanguageHello World!CommentsCode Structure

4Operators Part 2

Logical Operators Part 1Logical Operators Part 2Recap - Simple LogicLogical Operators Part 3Type Coercion

7Bill Split Calculator

Welcome MessageCalculating The Tip And TotalProject lessonSplitting The BillProject lessonFormatted OutputProject lesson

10FizzBuzz with a Twist

Game OverviewThe FizzBuzz FunctionProject lessonLooping The NumbersProject lessonAdding The TwistProject lesson

13Grocery List Tracker

Project OverviewAdd ItemProject lessonRemove ItemProject lessonView ListProject lesson

2Variables

NumbersStringBooleanNaming ConventionsEmpty VariablesRecap - Initialize VariablesConstants

5Decision Making

If StatementIf - ElseRecap - Simple CalculatorNested If - ElseSwitch Statement

8Loops

For LoopWhile LoopBreakContinueRecap - FactorialDo While LoopNested Loop

11Arrays Part 1

Declaring an ArrayAccessing Array ElementsModifying ArraysArray Methods Part 1Array Methods Part 2Recap - Array Processor

14Final Challenges

Number PyramidDouble The OddsWhat To Buy

3Operators Part 1

Arithmetic OperatorsModulo OperatorArithmetic ShortcutsComparison OperatorsStrict vs Loose EqualityRecap - Simple Math

6Basic IO

OutputOutput with VariablesType Conversion - Part 1Type Conversion - Part 2Recap - Till 120Recap - True or False

9Functions

Declare a FunctionArgumentsReturnRecap - Sigma FunctionFunction ExpressionDefault ParametersArrow FunctionsRecap - Validation Function

12Arrays Part 2

Iterating Over ArraysThe forEach Methodfor...of LoopRecap - P CounterArray SlicingArray Methods Part 3Array Methods Part 4Membership Testing

Practice on your own: Online JavaScript compiler