Newer Version Available
AJAX Toolkit Developer Guide
Embed API calls and processes, such as within a Visualforce page, by using the AJAX
Toolkit — a JavaScript wrapper around the API.
The AJAX Toolkit supports Microsoft® Internet Explorer® versions 9, 10, and 11 with the latest Microsoft hot fixes applied, and Mozilla® Firefox®, most recent stable version. The AJAX Toolkit is based on the partner WSDL. Because there is no type checking in JavaScript, the type information available in the enterprise WSDL is not needed.