Ss1

下拉框选项如果直接绑定label的值为数字的话会报错

1

`` 如图所示，这里label为数字，没有toLowerCase方法，组件直接报错

how to overwrite method of parent class

1

This is my code, got error: **defines instance member property 'method', but extended class 'B' defines it as instance member function** ``` typescript // class A import { Component, Vue...