Dive into JavaScript essentials with our cheat sheet.
JavaScript is a versatile and powerful programming language essential for web development. This cheat sheet covers the fundamental concepts and syntax, providing a reference for both beginners and experienced developers.
Basics
Hello, World!
Comments
Variables
Declaration
Data Types
Primitive Types
Number
String
Boolean
Undefined
Null
Symbol (ES6+)
BigInt (ES2020)
Type Checking
Operators
Arithmetic Operators
Assignment Operators
Comparison Operators
Logical Operators
Control Flow
Conditional Statements
Switch Statement
Loops
For Loop
While Loop
Do-While Loop
Functions
Function Declaration
Function Expression
Arrow Function (ES6+)
Arrays
Array Declaration
Array Methods
Objects
Object Declaration
Accessing Object Properties
Object Methods
DOM Manipulation
Selecting Elements
Modifying Elements
Events
Adding Event Listeners
ES6+ Features
Template Literals
Destructuring
Spread Operator
Asynchronous JavaScript
Promises
Async/Await (ES8)
Error Handling
Try-Catch
Throwing Errors
Cite & Link
YURII DE. "JavaScript Essentials." Qit.tools, 2024. Web. November 4, 2024. <https://qit.tools/developer/cheat-sheet/javascript/essentials/>