let arrn=[ { "MENU_URL": "serviceManage", "MENU_ID": "8619ca0b6fbc42649a27475e339d5d4a", "MENU_INFO": [ { "MENU_URL": "userInfo", "MENU_ID": "104a580029c54e139210b7e87dca6d89", "MENU_INFO": [], "MENU_NAME": "用户信息" } ], "MENU_NAME": "业务管理" }, { "MENU_URL": "serviceManage/recordQuery", "MENU_ID": "d379e3f38cb3472ab18287034f32ef46", "MENU_INFO": [ { "MENU_URL": "dashboard", "MENU_ID": "104a580029c54e139210b7e87dca6d89", "MENU_INFO": [ { "MENU_URL": "dashboard", "MENU_ID": "104a580029c54e139210b7e87dca6d89", "MENU_INFO": [], "MENU_NAME": "监控面板222" } ], "MENU_NAME": "监控面板111" }, { "MENU_URL": "dashboard", "MENU_ID": "104a580029c54e139210b7e87dca6d89", "MENU_INFO": [], "MENU_NAME": "监控面板333" } ], "MENU_NAME": "订购信息查询" } ] let tmparr=arrn.map(function (value) { if (value.MENU_INFO.length===0){ delete value.MENU_INFO }else{ value.MENU_INFO.map(function (val) { if (val.MENU_INFO.length===0){ delete val.MENU_INFO } }) } return value }) console.log(tmparr)就是MENU_ID为空的时候,把这个key给删除了,一级一级向下。现在可以实现到第三级,总不能一直判断下去吧,有多少级也不一定呢,有没有高手指点指点
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