Contenido del Curso
Introduction to JavaScript
Introduction to JavaScript
Summary
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
orfalse
); - array is a collection of values. The most commonly used methods are
push()
,pop()
,unshift()
andshift()
.
Basic operations
- Assignment (
=
); - Math (
+
,-
,*
, etc.); - Comparison (
>=
,<
,==
,===
, etc.); - Logical (AND
&&
, OR (||
); - String Concatenation (
+
between strings).
Conditional Statements
if (condition) {code block}
;else {code block}
afterif
;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.
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