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Introduction to JavaScript
course content

Conteúdo do Curso

Introduction to JavaScript

Introduction to JavaScript

1. JavaScript Fundamentals
About JavaScriptUnderstanding JavaScript SyntaxChallenge: Console Output in JavaScriptUsing Comments to Document CodeChallenge: Write a Single-Line CommentChallenge: Write a Multi-Line Comment
2. Variables and Data Types in JavaScript
Understanding Variables in JavaScriptChallenge: Define the VariableUsing const for ConstantsExploring JavaScript Data TypesWorking with null in JavaScriptIntroduction to ArraysArray Methods and ManipulationChallenge: Perform Array Operations
3. Performing Operations in JavaScript
Understanding Assignment OperatorsMathematical Operations in JavaScriptAssignment Operators in JavaScriptIncrement and Decrement OperatorsChallenge: Variable Operations PracticeComparison Operators in JavaScriptLogical Operators ExplainedChallenge: Compare Variables in JavaScriptConcatenating Strings in JavaScriptChallenge: Build Sentences with JavaScript
4. Controlling Program Flow with Conditional Statements
Mastering if Statements in JavaScriptUsing else for Alternative OutcomesApplying else if for Multiple ConditionsChallenge: Determine Sizes with Conditionals
5. Looping Through Data in JavaScript
Understanding the while Loop in JavaScriptUsing the do while Loop for IterationChallenge: Print Numbers from 5 to 9Mastering the for Loop in JavaScriptChallenge: Console Tigers with LoopsBreaking Out of Loops with breakSkipping Iterations with continueChallenge: Stop and Skip in Loops
6. Functions in JavaScript
What Are Functions in JavaScript?Defining Functions in JavaScriptChallenge: Write a Function – My NameUsing Function Arguments EffectivelyReturning Values from FunctionsChallenge: Create a Sum FunctionCourse Summary & Next Steps

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Course Summary & Next Steps

You have completed all the chapters! This is fantastic! Review what you have learned throughout the course and take a quiz.

Variables and Constants

  • Variable (let) is named storage of value for the multiple usages;
  • Constant (const) is an unchangeable variable.

Data Types

  • number is a numeric data type;
  • string is a text data type. Writing in quotes (" or ');
  • boolean is a logical data type (true or false);
  • array is a collection of values. The most commonly used methods are push(), pop(), unshift() and shift().

Basic operations

  • Assignment (=);
  • Math (+, -, *, etc.);
  • Comparison (>=, <, ==, ===, etc.);
  • Logical (AND &&, OR (||);
  • String Concatenation (+ between strings).

Conditional Statements

  • if (condition) {code block};
  • else {code block} after if;
  • else if (condition) {code block} for a few conditions.

Loops

  • while (condition) {code block};
  • do (code block) while (condition);
  • for (let counter; condition; counter++) {code block}.

Functions

  • function myFunc(arg1, arg2, arg3) {code block};
  • Call the function: myFunc(value1, value2, value3);
  • Use the return keyword to return the value from a function.

Note

Congratulations! You've successfully completed the 'Introduction to JavaScript' course, mastering the basics of JS. If you're eager to delve deeper into this fantastic programming language, you're invited to join the 'JavaScript Data Structures' course, where we'll explore more about data in JS.

1. Conditional Statements are used to:

2. Loops are used to:

3. Functions are used to:

Conditional Statements are used to:

Conditional Statements are used to:

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Loops are used to:

Loops are used to:

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Functions are used to:

Functions are used to:

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Seção 6. Capítulo 7
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