lodash get js代码实现

            // 递归取值
            function getValueByPath(data, pathArr, defultValue = '') {
              function GET_VALUE_BY_PATH(data, pathArr, defultValue) {
                if (pathArr.length === 0) {
                  okValue = data
                  return
                } else if (pathArr[0] && data && (`${pathArr[0]}` in data)) {
                  GET_VALUE_BY_PATH(data[pathArr[0]], pathArr.slice(1, pathArr.length), defultValue)
                } else {
                  return defultValue
                }
              }
              // 逻辑
              let okValue = ''
              GET_VALUE_BY_PATH(data, pathArr, defultValue)
              return okValue
            }