js多层对象嵌套请问如何取值

Question

{total=10, loglistJSON={"total":89,"errMsg":"","errCode":"0","rows":[{"opcontent":"登录成功","id":"0000000000152643695214000101997","optime":"20180516101552","optype":1,"operatename":"","adminname":"opt_201805081506"}]}怎么取出对象里的数组值