# 내장 객체

- [Number 객체](/javascrit-jquery/undefined-7/number.md)
- [String 객체](/javascrit-jquery/undefined-7/string.md)
- [split()](/javascrit-jquery/undefined-7/string/split.md)
- [join()](/javascrit-jquery/undefined-7/string/join.md)
- [Date 객체](/javascrit-jquery/undefined-7/date.md)
- [Array 객체](/javascrit-jquery/undefined-7/array.md)
- [Math 객체](/javascrit-jquery/undefined-7/math.md)
- [정규표현 객체](/javascrit-jquery/undefined-7/undefined.md)
