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JAVASCRIPT / CHAPTER 01

JavaScript
Foundations.

Absolute beginners: console, variables, types, conditions, functions, and a small Budget Calculator.

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JavaScript

12 lessons available

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The foundations behind your ideas.

1. 01

   First Program

   console.log

   Start lesson
2. 02

   Variables · Locked

   const / let

   Open lesson
3. 03

   Types · Locked

   typeof

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4. 04

   Math · Locked

   + - * /

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5. 05

   Strings · Locked

   Template literal / +

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6. 06

   Conversion · Locked

   Number()

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7. 07

   Comparisons · Locked

   === && ||

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8. 08

   Conditions · Locked

   if

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9. 09

   Functions · Locked

   function + return

   Open lesson
10. 10

    Scope · Locked

    return / scope

    Open lesson
11. 11

    Debugging · Locked

    Fix bugs

    Open lesson
12. 12

    Budget Calculator · Locked

    remaining + budgetStatus

    Open lesson