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Learn JavaScript

20 lessons

1
Hello, JavaScript! — Your First Program
15 min · Lesson 1
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2
Variables, Data Types & Scope
15 min · Lesson 2
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3
Operators, Conditionals & Type Coercion
15 min · Lesson 3
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4
Functions — Declarations, Expressions & Arrow Functions
15 min · Lesson 4
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5
Arrays & Array Methods
15 min · Lesson 5
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6
Objects & Destructuring
15 min · Lesson 6
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7
Classes & Object-Oriented Programming
15 min · Lesson 7
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8
The DOM — Selecting & Manipulating Web Pages
15 min · Lesson 8
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9
Events & Event Handling
15 min · Lesson 9
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10
Asynchronous JavaScript — Callbacks, Promises & Async/Await
15 min · Lesson 10
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11
Fetch API & Working with APIs
20 min · Lesson 11
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12
ES Modules & Code Organisation
20 min · Lesson 12
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13
Error Handling & Debugging
20 min · Lesson 13
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14
Local Storage, Session Storage & Cookies
20 min · Lesson 14
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15
Regular Expressions
20 min · Lesson 15
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16
Iterators, Generators & Advanced Loops
20 min · Lesson 16
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17
Closures, Higher-Order Functions & Functional Patterns
20 min · Lesson 17
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18
The Browser Environment — window, timers & performance
20 min · Lesson 18
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19
Symbols, WeakMap, WeakSet & Advanced Patterns
20 min · Lesson 19
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20
Final Project — Interactive Task Manager App
20 min · Lesson 20
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