AJAX Interview Questions with Answers: A Beginner’s Guide
AJAX (Asynchronous JavaScript and XML) is a web development technique used to create fast and dynamic web applications. It allows web pages to update asynchronously by exchanging data with the server in the background, without reloading the entire page. Understanding AJAX Interview Questions is crucial for web developers preparing for interviews.
Common AJAX Interview Questions:
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What is AJAX?
AJAX stands for Asynchronous JavaScript and XML. It is used to send and receive data from the server asynchronously without refreshing the web page. -
How does AJAX work?
AJAX uses theXMLHttpRequestobject to send requests to the server and process responses in JavaScript, updating only parts of the page. -
What are the advantages of AJAX?
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Faster page updates
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Reduced server load
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Improved user experience
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Difference between synchronous and asynchronous requests?
Synchronous requests block the browser until a response is received, while asynchronous requests allow the page to remain interactive. -
What data formats can AJAX handle?
AJAX can work with XML, JSON, HTML, and plain text.
By mastering these questions, beginners can confidently answer AJAX-related queries and demonstrate their understanding of dynamic web development in interviews.
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