C
Closures
Functions that retain access to variables from their outer scope even after execution.
Javascript Concepts for Practical Learning
37 Concepts Explained
P
Promises
Handles asynchronous operations with resolve and reject states.
A
Async/Await
Syntactic sugar over promises to write asynchronous code in synchronous style.
JEL
Javascript Event Loop
Mechanism that handles execution of multiple chunks of code in single-threaded JS runtime.
H
Hoisting
JavaScript behavior of moving declarations to the top of the scope before execution.
S
Scope
Defines the accessibility of variables and functions in different parts of the code.
P
Prototypes
Mechanism by which JavaScript objects inherit features from one another.
TK
This Keyword
Refers to the object that is executing the current function.
EM
ES6 Modules
Allows splitting code into reusable modules using import and export.
AF
Arrow Functions
A shorter syntax for writing functions with lexical this binding.
D
Destructuring
Extract values from arrays or objects into variables.
SARO
Spread and Rest Operators
Used to expand or collect elements in arrays and objects.
C
Callbacks
Functions passed as arguments to other functions for execution.
D
Debouncing
Delays execution of a function until a pause in events.
T
Throttling
Limits how often a function can execute over time.
EC
Execution Context
Defines how JavaScript code is evaluated and executed.
CS
Call Stack
Tracks function execution order in JavaScript.
HF
Higher-Order Functions
Functions that take other functions as arguments or return them.
JV
JavaScript Variables
Containers for storing data values using var, let, or const.
JDT
JavaScript Data Types
Primitive types like string, number, boolean, null, undefined, and symbol.
JO
JavaScript Objects
Collections of key-value pairs representing structured data.
JA
JavaScript Arrays
Ordered lists of elements that can hold multiple values.
JC
JavaScript Callbacks
Functions passed as arguments to be executed later.
JI
JavaScript Inheritance
Mechanism for objects to access properties of other objects.
JC
JavaScript Classes
ES6 syntax for creating objects and inheritance structures.
JM
JavaScript Modules
Reusable pieces of code imported and exported between files.
JTL
JavaScript Template Literals
String interpolation using backticks and ${} syntax.
JTC
JavaScript Type Coercion
Automatic conversion of values between types.
JSM
JavaScript Strict Mode
Enforces cleaner coding practices and prevents silent errors.
JE
JavaScript Events
Actions that occur in the browser, like clicks or key presses.
JDM
JavaScript DOM Manipulation
Interacting with and updating HTML elements dynamically.
JJ
JavaScript JSON
Lightweight data format for exchanging structured data.
JLS
JavaScript Local Storage
Stores key-value data persistently in the browser.
JSS
JavaScript Session Storage
Stores temporary data for a single browser session.
JFA
JavaScript Fetch API
Modern interface for making HTTP requests.
JEH
JavaScript Error Handling
Managing runtime errors using try, catch, and finally.
JSAM
JavaScript Set and Map
Collections for unique values and key-value pairs.