elf是elf+js基础库构想的一部分，其中jslib是基础库的所有功能底层实现，elf是针对开发中常用功能的易用性封装。
"elf" is a part of the idea of "elf+js". While the jslib is the implements of all real function, "elf" is a suit of shell of the most used functions for easily writing code.
- If you need the whole source, you should watch another project jslib and clone it with this together.
- If you want to know more about "elf+js", please visit our official site.