NSDictionary).value(forKey: "chatroomID")!print("Chatroom==",appdict) // the value gets printed here.But below from here, the value gets nil.//It gives the value.
print("self.typeUsers",self.typeUsers!)
我可以根据选择的下拉值显示和隐藏它们,但我有一个名为$url的变量,我希望在加载每个表单时具有不同的值 function validate(){ var first-val = first.options[first.selectedIndex].valuesecond = document.getElementById("seconed");