Top 2019 AJAX Interview Questions & Answers

In order to compete with rapidly growing technologies in IT markets, specifically in web-development, students are required to be updated with simple to advanced-level trending technologies. In this blog, I am going to discuss some essential AJAX Interview Questions for interview preparation.

Let’s proceed.

List a few benefits of AJAX technology?

The mentioned-below are some advantages:

· Extra interactivity

· It protects memory

· Bandwidth utilization

· Fast data retrieving

Mention some objectives of AJAX?

· Enhance response time

· Enhance performance through contradicting page post back.

· Ajax support both server and client-side frameworks.

· Decrease traffic

Name some technologies that are associated with AJAX?

· JavaScript

· Document Object Model (DOM)

· CSS

· HTML

· XMLHttpRequest

What do you mean by UpdatePanel?

In AJAX , UpdatePanel permits the rendering of the major part of the page. Through this element, important sections of the page can be easily refreshed without any need of refreshing the entire page.

What is the role of ScriptManager control?

The main function of ScriptManager control is to register Ajax library scripts for a particular page of a website and manage Partial-page rendering and updates. Moreover, asynchronous web service’s proxies are generated through this control.

Suppose we want to cancel the XMLHttpRequest, How is it possible in AJAX?

It can be possible through the Abort() method.

Which protocol is responsible for Ajax to perform client and server interactions?

JSON

How one can manage exception handling in AJAX?

In Ajax, ErrorTemplate which is referred to as the Script manager’s child tag is responsible for entire exception handling tasks.

What do you mean by Extender controls?

This extender controls make use of small chunks of JavaScript code to boost client functionalities.

What is the name of the external program through which Ajax applications can be debugged?

Fiddler

Name the two triggers which are associated with the update panel?

PostBackTrigger and AsyncPostBackTrigger

Conclusion

This was the list of some basic interview questions related to AJAX technology. Meanwhile, for the ultimate References and advanced learning Guidance on trending technologies, you can visit coding Tag. You will get a comprehensive list of technical questions including JavaScript Interview Questions, and many more. Read those questions and be updated with the in-depth concept to crack your interview session

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