Use of XMLHttpRequest object in AJAX
What is the use of XMLHttpRequest object in AJAX?
Expert
XMLHttpRequest object is used by the JavaScript to move XML and another text data between server and client. XMLHttpRequest object permits a client-side script to carry out an HTTP request. The AJAX applications use a XMLHttpRequest object so that browser could communicate to server without a postback of the whole page. In previous versions of the Internet Explorer, MSXML ActiveX component is apt to provide this functionality; but, Internet Explorer 7 and another browser, like Mozilla Firefox, XMLHttpRequest is not apt to.
Define the term core validation?
Overriding for chaining: It is a form of method overriding in which the sub-class version of a method verifies to see whether it can react to the message on its own and just calls the super-class version of the method.
Synchronized statement: It is a statement in which an object-lock should be obtained for the target object prior to the body of the statement and can be entered. Employed to enclose a critical section in order to save a race hazard.
Explain the benefits of distributed systems.
Name the technologies that are used in AJAX?
What do you mean by the term set up time and hold time constraints? Explain what do they mean? Which one is vital for estimating the maximum clock frequency of the circuit?
Describe how to include the CSS within the HEAD Tag?
Write a program that prints out 20 random cards form a standard deck of 52 cards. Make sure the program prints out different sets of cards from one run to the next.
State some of the difference between the CSS and the CSS3.
Use Polymorphism: Programs, especially those converted from non-OOP languages like C, sometimes use state where they should use inheritance. For example, Discover Q & A Leading Solution Library Avail More Than 1433660 Solved problems, classrooms assignments, textbook's solutions, for quick Downloads No hassle, Instant Access Start Discovering 18,76,764 1941165 Asked 3,689 Active Tutors 1433660 Questions Answered Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!! Submit Assignment
18,76,764
1941165 Asked
3,689
Active Tutors
1433660
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!