Use (Anonymous function).bind() in storytime and other hacky things

[youralien]

Check out this
https://samwize.com/2013/09/01/how-you-can-pass-a-variable-into-callback-function-in-node-dot-js/

Instead of doing hacky EVAL

[youralien]

@wangsanfeng1998 can you check this out, instead of using the hacky eval?