Javascript 如何检查此Json响应是否为null
PastMedicalHistory数组为空,不带值。我怎么能查呢Javascript 如何检查此Json响应是否为null,javascript,json,Javascript,Json,PastMedicalHistory数组为空,不带值。我怎么能查呢 {"PatientPastMedicalHistoryGetResult":{"PastMedicalHistory":[]}} 这不是空的。这是一个空数组。如果响应为null,请重试 if (response.PatientPastMedicalHistoryGetResult.PastMedicalHistory.length == 0) { } var data = {"PatientPastMedicalHi
{"PatientPastMedicalHistoryGetResult":{"PastMedicalHistory":[]}}
这不是空的。这是一个空数组。如果响应为null,请重试
if (response.PatientPastMedicalHistoryGetResult.PastMedicalHistory.length == 0) {
}
var data = {"PatientPastMedicalHistoryGetResult":{"PastMedicalHistory":[]}};
for (member in data) {
if (data[member] != null)
// Do work here
}