如何在对象javascript中访问具有特殊字符的属性

Question

const data = {
  counts:{
          "Error-Unknown": 1,
          "Success": 4,
          "Total": 5
  }
}

console.log(data.counts.Error-Unknown);

遇到错误：

  

“错误：未捕获ReferenceError：未定义未知”