Visualforce Developer Guide

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
Overriding Buttons, Links, and Tabs with Visualforce
Using Static Resources
Creating and Using Custom Components
Dynamic Visualforce Bindings
Dynamic Visualforce Components
Integrating 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 Force.com AppExchange App
Using JavaScript in Visualforce Pages
Using $Component to Reference Components from JavaScript
Using JavaScript Libraries with Visualforce
JavaScript Remoting for Apex Controllers
Visualforce Remote Objects
A Simple Example of Remote Objects
Using Remote Objects in JavaScript
An Example of Using Remote Objects with jQuery Mobile
Best Practices for Using Remote Objects
Remote Objects Limits
Best Practices
Standard Component Reference
Appendices
Glossary
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Visualforce Remote Objects

JavaScript remoting is a popular, powerful, and efficient method for building Web apps with Visualforce, especially for creating pages for use in the Salesforce app or working with JavaScript libraries such as jQuery or AngularJS. Visualforce Remote Objects are proxy objects that enable basic DML operations on sObjects directly from JavaScript. Remote Objects remove some of the complexity from JavaScript remoting by reducing the need for @RemoteAction methods in an Apex controller or extension.

Behind the scenes, the Remote Objects controller handles sharing rules, field level security, and other data accessibility concerns. Pages that use Remote Objects are subject to all the standard Visualforce limits, but like JavaScript remoting, Remote Objects calls don’t count toward API request limits.

Using Visualforce Remote Objects consists of implementing two separate pieces of functionality on the same page.
  1. Access definitions, written in Visualforce with the Remote Objects components. These components generate a set of JavaScript proxy objects that you can use in step 2.
  2. Data access functions, written in JavaScript. These functions use the proxy objects that are made available by the access definitions to perform create, retrieve, update, and delete operations on your data.
Your page then uses the data access functions to respond to user interaction, such as form submissions or controls changes, or to perform periodic actions in response to timers, or most anything that you can write in JavaScript.