Lightning Components Developer Guide

What is the Lightning Component Framework?
Quick Start
Creating Components
Using Components
Communicating with Events
Creating Apps
Styling Apps
Developing Secure Code
What is Locker Service?
JavaScript ES5 Strict Mode Enforcement
DOM Access Containment
Secure Wrappers
eval() Function is Limited by Locker Service
MIME Types Permitted
Access to Supported JavaScript API Framework Methods Only
What Does Locker Service Affect?
Locker Service Tools
Locker Service API Viewer
Locker Console Overview
Disabling Locker Service for a Component
Don’t Mix Component API Versions
Locker Service Disabled for Unsupported Browsers
Content Security Policy Overview
Freeze JavaScript Prototypes
Using JavaScript
Using Apex
Lightning Data Service
Testing Components with Lightning Testing Service
Debugging
Performance
Reference
PDF

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Locker Service Tools

Locker Service tools help you develop more secure code that is compatible and runs efficiently with Locker Service.