这种问题怎么修改?

Question

The body of a for-in should be wrapped in an if statement to filter unwanted properties from the prototype eslint报错这种问题应该怎么改？
代码这样写的

 for ( x in myemrList) {
          arr.push(myemrList[x].hospital_id);
        }

Answer 1

 for ( x of myemrList) {             arr.push(myemrList[x].hospital_id);              }