# Exercises

- [flattenObject()](/web/js/ex/exercises/flattenobject.md): 將物件的「多層結構」打為「單層結構」。
- [Pascal's Triangle](/web/js/ex/exercises/pascals-triangle.md)
- [Permuations](/web/js/ex/exercises/permuations.md)
- [Spiral Matrix](/web/js/ex/exercises/spiral-matrix.md)
