Do you know what is purpose of MessageBox?

Submitted by: Administrator
MessageBox is asynchronous.
MessageBox call, which demonstrates the readable message to user.
MessageBox used for multiple purpose like
Ext.Msg.alert()
Ext.Msg.prompt()
Ext.Msg.show({});
Ext.Msg.wait();
Submitted by: Administrator

Read Online Ext-JS Job Interview Questions And Answers