Force.com Canvas Developer's Guide

Getting Started
Using Force.com Canvas
Force.com Canvas SDK
Referencing the Force.com Canvas SDK
Authentication
Getting Context in Your Canvas App
Cross-Domain XHR
Resizing a Canvas App
Implementing Canvas App Events
Using Streaming API in a Canvas App
Debugging in a Canvas App
Using the <select> Tag in a Canvas App
Canvas Apps and Visualforce Pages
Canvas Apps in a Page Layout or a Mobile Card
Canvas Apps in the Publisher
Canvas Apps in the Chatter Feed
Canvas in the Salesforce1 App
Customizing Your App Lifecycle
Reference
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Referencing the Force.com Canvas SDK

The Force.com Canvas SDK is available on GitHub, and you have two options for referencing it from your canvas app.
  • Host the SDK on your own Web server and access it there
  • Access the SDK hosted on the Salesforce server
For example, here’s what the include statement looks like if you host the SDK on your own Web server:
1<script type="text/javascript" src="/sdk/js/canvas-all.js></script>
Here’s what the include statement looks like if you reference the hosted SDK:
1<script type="text/javascript" src="https://<instance>.salesforce.com/canvas/sdk/js/35.0/canvas-all.js"></script>

The ability to reference the SDK on the Salesforce server is useful when you want to include one of the SDK files in a Web app or from a Visualforce page.