Visualforce Developer Guide

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Introducing Visualforce
Tools for Visualforce Development
Getting a Quick Start with Visualforce
Customizing the Appearance and Output of Visualforce Pages
Standard Controllers
Standard List Controllers
Custom Controllers and Controller Extensions
Advanced Examples
Override Buttons, Links, and Tabs with Visualforce
Using Static Resources
Creating and Using Custom Components
Dynamic Visualforce Bindings
Dynamic Visualforce Components
Integrate Email with Visualforce
Visualforce Charting
Creating Maps with Visualforce
Render Flows with Visualforce
Templating with Visualforce
Developing Salesforce Apps with Visualforce
Adding Visualforce to a Salesforce AppExchange App
Using JavaScript in Visualforce Pages
Using $Component to Reference Components from JavaScript
Using JavaScript Libraries with Visualforce
JavaScript Remoting for Apex Controllers
What Is JavaScript Remoting?
When to Use JavaScript Remoting
Comparing JavaScript Remoting and <apex:actionFunction>
Comparing JavaScript Remoting and Remote Objects
Adding JavaScript Remoting to a Visualforce Page
Declaring a Remote Method in Apex
Handling the Remote Response
Debugging JavaScript Remoting
JavaScript Remoting Limits and Considerations
JavaScript Remoting Example
Common Visualforce JavaScript Remoting API Validation Errors
Visualforce Remote Objects
Communicating Across the DOM with Lightning Message Service
Visualforce Best Practices
Standard Visualforce Component Reference
Appendices
PDF

Comparing JavaScript Remoting and Remote Objects

JavaScript Remoting and Remote Objects offer similar features, and both are useful tools for creating dynamic, responsive pages. They have some important differences that you should consider before choosing which to use.

In general, Remote Objects is well-suited to pages that need to perform only simple Create-Read-Update-Delete, or “CRUD”, object access. JavaScript Remoting is better suited to pages that access higher-level server actions. Remote Objects lets you get up and running quickly without a lot of ceremony, while JavaScript Remoting is suited for more complex applications that require some up front API-style design work.

Visualforce Remote Objects:
  • Makes basic “CRUD” object access easy
  • Doesn’t require any Apex code
  • Supports minimal server-side application logic
  • Doesn’t provide automatic relationship traversals; you must look up related objects yourself
JavaScript Remoting:
  • Requires both JavaScript and Apex code
  • Supports complex server-side application logic
  • Handles complex object relationships better
  • Uses network connections (even) more efficiently