You can add TypeScript support to Spread.Sheets. TypeScript provides strongly-typed access and better information about your code.
You can download TypeScript and get additional information from the TypeScript web site, http://www.typescriptlang.org/.
The TypeScript definition file for Spread.Sheets is located in the definition folder under the main product folder (Spread.Sheets\definition\GC.Spread.Sheets.d.ts).
Use the following steps to add TypeScript support to Spread.Sheets.
/// <reference path="path/jquery.d.ts" />
/// <reference path="path/GC.Spread.Sheets.d.ts" />