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JavaScript Cookies and IndexedDB

Master cookies & IndexedDB - unlock enterprise web development opportunities!

4.4
Intermediate

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JavaScript Cookies and IndexedDB
5 Modules
March 2026
GUM-JAVASCRI-XXXX

Course Curriculum

5 Modules · 5 Chapters · 10 Topics · 94 Sub-topics

01
Foundation
1 Chapters · 1 Topics · 14 Sub-topics
Introduction to the DOM
1 Topics
DOM Fundamentals
14 Sub-topics
What is the Document Object Model
DOM as a Programming Interface
How Browsers Build the DOM
DOM vs HTML Source Code
DOM Tree Visualization
Understanding Nodes
Node Types Overview
Element Nodes vs Text Nodes
Comment Nodes and Document Nodes
DOM and JavaScript Relationship
Browser Developer Tools for DOM
Inspecting DOM in DevTools
Live DOM Editing
DOM Specifications and Standards
02
Cookies Complete
1 Chapters · 2 Topics · 20 Sub-topics
Browser Storage - Cookies
2 Topics
Cookie Fundamentals
6 Sub-topics
Cookies Overview
HTTP Cookies Concept
document.cookie Property
Reading Cookies
Parsing Cookie String
Setting Cookies
Cookie Attributes
14 Sub-topics
Cookie Attributes
expires Attribute
max-age Attribute
path Attribute
domain Attribute
secure Attribute
SameSite Attribute
HttpOnly Cookies
Deleting Cookies
Cookie Limitations
Cookies vs Web Storage
Third-Party Cookies
Cookie Security
Cookie Best Practices
03
IndexedDB Fundamentals
1 Chapters · 2 Topics · 20 Sub-topics
Browser Storage - IndexedDB
2 Topics
IndexedDB Fundamentals
8 Sub-topics
IndexedDB Introduction
When to Use IndexedDB
IndexedDB Concepts
Database and Object Stores
Opening a Database
onupgradeneeded Event
Creating Object Stores
Indexes
IndexedDB Operations
12 Sub-topics
Transactions
Transaction Modes
Adding Data
Reading Data
Updating Data
Deleting Data
Cursors
Querying with Indexes
Error Handling
IndexedDB Limits
IndexedDB vs Other Storage
IndexedDB Best Practices
04
IndexedDB Operations
1 Chapters · 2 Topics · 20 Sub-topics
Browser Storage - IndexedDB
2 Topics
IndexedDB Fundamentals
8 Sub-topics
IndexedDB Introduction
When to Use IndexedDB
IndexedDB Concepts
Database and Object Stores
Opening a Database
onupgradeneeded Event
Creating Object Stores
Indexes
IndexedDB Operations
12 Sub-topics
Transactions
Transaction Modes
Adding Data
Reading Data
Updating Data
Deleting Data
Cursors
Querying with Indexes
Error Handling
IndexedDB Limits
IndexedDB vs Other Storage
IndexedDB Best Practices
05
Best Practices
1 Chapters · 3 Topics · 20 Sub-topics
Security in DOM Applications
3 Topics
XSS Prevention
9 Sub-topics
DOM Security Overview
Cross-Site Scripting (XSS)
Types of XSS Attacks
DOM-Based XSS
Preventing XSS
Safe Content Insertion
textContent vs innerHTML
Sanitizing User Input
DOMPurify Library Concept
Content Security
5 Sub-topics
Content Security Policy
CSP Headers
CSP and Inline Scripts
Trusted Types API
eval Security Risks
Frame Security
6 Sub-topics
iframe Security
sandbox Attribute
postMessage Security
Origin Validation
Third-Party Script Safety
Security Best Practices

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