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Comparison Operators

Part of the Fundamentals section of Coddy's JavaScript journey. Lesson 15 of 77.

Comparison operators are used to compare two operands.

Sometimes we need to check whether an operand is bigger/smaller/... than another operand. The following table shows possible operators for comparison:

OperatorMeaningExample
==Equal1 == 2 returns false
!=Not Equal1 != 2 returns true
>Greater Than1 > 2 returns false
<Lower Than1 < 2 returns true
>=Greater or Equal1 >= 2 returns false
<=Lower or Equal1 <= 2 returns true


The comparison operator returns true if the comparison is correct or false otherwise.

For example:

let var1 = 13
let var2 = 12
let var3 = var1 != var2

var3 will hold true because var1 and var2 are not equal

Remember the boolean type,  var3 is a boolean.

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Challenge

Beginner

Write a script that initializes 2 variables n1 and n2 with the values 8 and 9 (accordingly).

After that initialize another variable n3 that will hold whether n1 is bigger than n2.

Try it yourself

// Type your code below


// Don't change the line below
console.log(`n1 = ${n1}, n2 = ${n2}, n3 = ${n3}`)
quiz iconTest yourself

This lesson includes a short quiz. Start the lesson to answer it and track your progress.

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