

The Fundamentals — JS
36 snips Jul 17, 2019
Dive into the essentials of JavaScript as the hosts break down core concepts like variables, scoping, and data types. Learn about the critical relationship between JavaScript and the DOM, plus the significance of functions and prototypes. Discover how to handle arrays, manage flow control, and ensure security in your code. With tips on clean coding practices and a sprinkle of cultural bacon humor, this engaging discussion equips you with foundational skills for web development success.
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Variables
- Understand JavaScript variables using
var
,let
, andconst
. - Primarily use
const
for unchanging variables andlet
when reassignment is necessary.
Scoping
- Learn JavaScript's block and function scope.
- Understand how scope lookup works to avoid bad code and global variable issues.
Types
- Understand JavaScript's data types, including the nuances of numbers, strings, and objects.
- Learn about object copying and the difference between references and copies to avoid unexpected behavior.