Possible iteration over unexpected (custom / inherited) members, probably missing hasOwnProperty che

IDEA提示：Possible iteration over unexpected (custom / inherited) members, probably missing hasOwnProperty check

在这里插入图片描述

//修改前代码
 for (var i in cartList) {
          cartList[i].isChecked = false
        }

修改一下，加if判断.hasOwnProperty(i)
在这里插入图片描述

//修改后代码
for (var i in cartList) {
          if (cartList.hasOwnProperty(i)) {
            cartList[i].isChecked = false
          }
        }