Variables, functions, loops, the DOM, and events. Build interactive pages.
Created by
Guías Team

Your first script — variables and the console
Primitive data types
9 min
Operators and expressions
9 min
Conditionals — if, else and switch
10 min
Loops — for and while
11 min
Arrays — creation and basic methods
10 min
Array methods — map, filter, forEach
13 min
Objects — properties and methods
11 min
Functions — declaration and parameters
10 min
Arrow functions
9 min
Scope and closures (introduction)
11 min
The DOM — what it is and how to select it
11 min
Manipulating the DOM — creating and modifying elements
12 min
Events — click, submit, keydown
12 min
Forms with JavaScript
11 min
localStorage — saving data in the browser
9 min
Try/catch and error handling
9 min
JSON — converting data
8 min
Fetch API — introduction to HTTP requests
13 min
Debugging — using the browser console
9 min
Best practices and clean code
9 min
Final project — interactive to-do list
25 min
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