直接按说明的命令会出错
Error: Error while parsing /root/PROJECTS/foundation-ui/src/main/webapp/scripts/ext/src/ext-core/src/adapter/ext-base-begin.js: Line 18: Unexpected end of input
解决方法
jsduck ext-3.4.0/src/{core,data,dd,direct,ext-core/src/core,ext-core/src/data,ext-core/src/util,state,widgets} --output api
来源：http://www.sencha.com/forum/showthread.php?151739-JSDuck-the-tool-for-documenting-your-Ext-JS-apps&p=870848&viewfull=1#post870848