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Web Development

770The Web Storage API
771localStorage vs sessionStorage
772Storage Capacity and Limits
773setItem and getItem
774removeItem and clear
775Storing Complex Data with JSON
776The storage Event
777Error Handling and QuotaExceededError
778Security and Same-Origin Policy
779Storage Keys and Enumeration
780Common Patterns and Use Cases
781Privacy Modes and Storage
782What is IndexedDB and When to Use It
783IndexedDB vs localStorage: Key Differences
784Opening a Database Connection
785Database Versioning and onupgradeneeded
786Creating Object Stores
787Understanding Indexes
788Transactions: Read, Write, and Lifecycle
789Adding Data to Object Stores
790Retrieving Data by Key
791Updating and Deleting Records
792Cursors for Iterating Records
793Querying with Key Ranges
794Using Indexes for Complex Queries
795Error Handling and Success Callbacks
796IndexedDB Wrappers and Best Practices
797What Are Cookies and How They Work
798Setting Cookies with document.cookie
799Reading and Parsing Cookies
800Cookie Expiration and Max-Age
801Cookie Path and Scope
802Cookie Domain Attribute
803Secure and HttpOnly Flags
804SameSite Attribute for CSRF Protection
805Cookie Size Limitations
806Updating and Deleting Cookies
807Cookie Security Best Practices
808When to Use Cookies vs Other Storage
809What is the Cache API and Why It Matters
810Opening and Creating Cache Storage
811Adding Resources to the Cache
812Retrieving Cached Responses
813Deleting Cached Entries
814Managing Multiple Caches
815Cache Matching Options
816Cache API vs localStorage and IndexedDB
817Cache Versioning Strategies
818Cache API Outside Service Workers
819Storage Options Overview
820Capacity and Limits
821Performance Characteristics
822Data Structure Requirements
823Persistence and Durability
824Security and Privacy Considerations
825Cross-Tab and Offline Scenarios
826Decision Framework

Web Development

770The Web Storage API
771localStorage vs sessionStorage
772Storage Capacity and Limits
773setItem and getItem
774removeItem and clear
775Storing Complex Data with JSON
776The storage Event
777Error Handling and QuotaExceededError
778Security and Same-Origin Policy
779Storage Keys and Enumeration
780Common Patterns and Use Cases
781Privacy Modes and Storage
782What is IndexedDB and When to Use It
783IndexedDB vs localStorage: Key Differences
784Opening a Database Connection
785Database Versioning and onupgradeneeded
786Creating Object Stores
787Understanding Indexes
788Transactions: Read, Write, and Lifecycle
789Adding Data to Object Stores
790Retrieving Data by Key
791Updating and Deleting Records
792Cursors for Iterating Records
793Querying with Key Ranges
794Using Indexes for Complex Queries
795Error Handling and Success Callbacks
796IndexedDB Wrappers and Best Practices
797What Are Cookies and How They Work
798Setting Cookies with document.cookie
799Reading and Parsing Cookies
800Cookie Expiration and Max-Age
801Cookie Path and Scope
802Cookie Domain Attribute
803Secure and HttpOnly Flags
804SameSite Attribute for CSRF Protection
805Cookie Size Limitations
806Updating and Deleting Cookies
807Cookie Security Best Practices
808When to Use Cookies vs Other Storage
809What is the Cache API and Why It Matters
810Opening and Creating Cache Storage
811Adding Resources to the Cache
812Retrieving Cached Responses
813Deleting Cached Entries
814Managing Multiple Caches
815Cache Matching Options
816Cache API vs localStorage and IndexedDB
817Cache Versioning Strategies
818Cache API Outside Service Workers
819Storage Options Overview
820Capacity and Limits
821Performance Characteristics
822Data Structure Requirements
823Persistence and Durability
824Security and Privacy Considerations
825Cross-Tab and Offline Scenarios
826Decision Framework

← Web Development

Lesson 778 of 2,982·14. Browser StoragePro lesson

Security and Same-Origin Policy

Understanding that storage is scoped to origin (protocol, domain, port) and security implications.

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