sym

create a stack used to synchronous function call in javascript

How To Use if you want to use the sym.js,the function must write like this: function fn(args){ / write your code */ /where need call next function with output/ this.next(output); }

1. create a stack var stack = new sym();
2. push function to run stack.push(name,fn,args,callback);
3. bind callback when stack run finished stack.done(callback); *callback has to params err,data: err : exception info when stack error data : last function's output by using this.next
4. run function in stack stack.run(name); /indicate the start position/