[（1）声明函数](%EF%BC%881%EF%BC%89%E5%A3%B0%E6%98%8E%E5%87%BD%E6%95%B0.md) [（2）构造函数](%EF%BC%882%EF%BC%89%E6%9E%84%E9%80%A0%E5%87%BD%E6%95%B0.md) [（3）函数的参数](%EF%BC%883%EF%BC%89%E5%87%BD%E6%95%B0%E7%9A%84%E5%8F%82%E6%95%B0.md) [（4）函数的传参](%EF%BC%884%EF%BC%89%E5%87%BD%E6%95%B0%E7%9A%84%E4%BC%A0%E5%8F%82.md) [（5）改变this](%EF%BC%885%EF%BC%89%E6%94%B9%E5%8F%98this.md) [（6）重载](%EF%BC%886%EF%BC%89%E9%87%8D%E8%BD%BD.md) [（7）回调函数](%EF%BC%887%EF%BC%89%E5%9B%9E%E8%B0%83%E5%87%BD%E6%95%B0.md)