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Introduction to JavaScript

Challenge: Variable OperationsChallenge: Variable Operations

Task

  1. Create the variable num.
  2. Assign the value 29 to the variable num.
  3. Increase the num variable by 99.
  4. Decrease the num variable by 23.

The output should be:

  1. Assign values to the variable using the assignment operator (=).
  2. Use arithmetic operators to perform calculations on the variable (+= and -=).

Everything was clear?

Section 3. Chapter 5
course content

Course Content

Introduction to JavaScript

1. Basic Concepts

About JavaScriptSyntaxChallenge: Console OutputCommentsChallenge: Single-line CommentChallenge: Multi-line Comment

2. Variables and Data Types

VariablesChallenge: Defining the VariableconstData Types OverviewnullArrayArray MethodsChallenge: Array Operations

3. Basic Operations

AssignmentMathematical OperationsOperations with AssignmentIncrement and DecrementChallenge: Variable OperationsComparison OperationsLogical OperationsChallenge: Comparing VariablesString ConcatenationChallenge: Sentence Building

4. Conditional Statements

ifelseelse ifChallenge: Determining Size

5. Loops

whiledo whileChallenge: Printing Numbers from 5 to 9forChallenge: TigersbreakcontinueChallenge: Stopping and Skipping

6. Functions

What is a Function?DefinitionChallenge: My NameArgumentsreturnChallenge: SumSummary

Introduction to JavaScript

Challenge: Variable OperationsChallenge: Variable Operations

Task

  1. Create the variable num.
  2. Assign the value 29 to the variable num.
  3. Increase the num variable by 99.
  4. Decrease the num variable by 23.

The output should be:

  1. Assign values to the variable using the assignment operator (=).
  2. Use arithmetic operators to perform calculations on the variable (+= and -=).

Everything was clear?

Section 3. Chapter 5
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