微信小程序/JS 获取嵌套对象中的数据

 

 //数据对象
 let items = {
            a: {
                _id: 'aaaaaa',
            },
            b: {
                _id: 'bbbbbb',
            },
            c: {
                1: {
                    _id: 'cccccc1',
                },
                2: {
                    _id: 'cccccc2',
                }
            }
        }

        //获取数据
        for (let i in items) {

            if (i == 'a' || i == 'b') {

                console.log('items: ' + i + " : _id = " + items[i]._id)

            } else if (i == 'c') {

                for (let j in items[i]) {

                    console.log('items: ' + i + j + " : _id = " + items[i][j]._id)

                }

            }
        }

　输出结果