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REFERENCEjavascript

javascript Documentation

📖 INDEX

# Accesability-Semantic-HTML

# Anonymous-Functions

# Arguments-Parameters

# Array-Destructuring

# Array-Methods

# Arrow-Functions

# Callback-Functions

# Core-Technologies-Advance-Knowledge

# Creating-Arrays

# Custom-Exceptions

# Debounce-Throttle

# Delete-Elements

# Destructuring

# Dev-Methodologies

# Element-Selection

# Elements-Access

# Elements-creation

# Elements-Manipulation

# Error-Objects

# Event-Listeners

# Export-by-Default

# finallyJavaScript

# Function-Declaration

# Function-Expressions

# Import-Export

# InheritanceJavaScript

# JavaScript-Advance-Functions

# JavaScript-Array-Object

# JavaScript-Arrays-Loops

# JavaScript-Async-Intro

# JavaScript-Async

# JavaScript-Basic-Syntax

# JavaScript-BOM

# JavaScript-Callbacks

# JavaScript-ClientvsServer

# JavaScript-Clousures

# JavaScript-Comments

# JavaScript-Common-Events

# JavaScript-Common-Methods

# JavaScript-Condicionals

# JavaScript-Console

# JavaScript-Control-Structure

# JavaScript-Data-types-Variables

# JavaScript-Dates-Time

# JavaScript-Dates

# JavaScript-Debugging-Tools

# JavaScript-Declaration

# JavaScript-DOM

# JavaScript-Embedded

# JavaScript-Errors-Intro

# JavaScript-Errors

# JavaScript-Event-Listener

# JavaScript-Events

# JavaScript-Export

# JavaScript-Fetch-API

# JavaScript-First-Steps

# JavaScript-Functions

# JavaScript-History

# JavaScript-How-works

# JavaScript-Inheritance

# JavaScript-Intro

# JavaScript-JSON-Works

# JavaScript-JSON

# JavaScript-Localstorage

# JavaScript-Loops

# JavaScript-Manipulation

# JavaScript-Modular

# JavaScript-Modules

# JavaScript-Objects

# JavaScript-Operators

# JavaScript-POO

# JavaScript-Promises

# JavaScript-Propagation

# JavaScript-Prototypes

# JavaScript-Redirects

# JavaScript-Return

# JavaScript-Scope

# JavaScript-Script

# JavaScript-Sets

# JavaScript-Storage

# JavaScript-Style-Modification

# JavaScript-Window-Location

# Logic-Operators

# Memory Management

# Modern-Libreries-Frameworks

# Modification-Methods

# Modify-Attributes

# Object-Creating

# Optimization-and-Build

# Problem-solving

# Recursive-Function

# Rest-Parameters

# Scope-Context

# Spread Operator

# State-Management

# Team-Work-and-Communication

# Template Literals

# this-JavaScript

# Version-Control

# What-is-JavaScript

# Recursive-Functions

# Array-Creation

# Selection-Methods-Alias

# Custom-Exceptions-Alias

# Scope-and-Context

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JS Attributes

Master the art of DOM manipulation and attribute control.

attributes.js

1 / 3

⚙️

"Modifying attributes lets you change how elements behave in real-time."

JS Guide:Attributes are additional information provided for HTML elements. In JavaScript, we use setAttribute(name, value) to add or change them.

Skill Tree

✅ getAttribute()
✅ setAttribute()
🔒 classList.toggle()

Concept: Attribute Modification

In the DOM, attributes are not just static HTML properties. JavaScript allows you to interact with them dynamically to create interactive user interfaces.

Logic Check

What is the result of getAttribute('id') on an element that has no id?

undefinednullempty stringError

JS Achievements

🛠️

Attribute Novice

Learn to get and set basic attributes.

🥷

Class Ninja

Master the classList API.

🏛️

DOM Architect

Manipulate complex element properties.

JS Attributes Reference

.setAttribute(name, value)

Adds a new attribute or changes the value of an existing attribute on the specified element.

btn.setAttribute('disabled', 'true');

.classList API

The most modern way to handle classes. Use .add(), .remove(), and .toggle().

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