17 Questions
What is the primary function of the XMLHttpRequest object in AJAX?
To exchange data with a server behind the scenes
What does AJAX stand for?
Asynchronous JavaScript and XML
What is the main benefit of using AJAX in web applications?
To allow web pages to be updated asynchronously
Who introduced AJAX to the world through an article in 2005?
Jesse James Garrett
What is the name of the organization that released the first draft of the XMLHttpRequest object specification in 2006?
W3C
What is a common misconception about the name AJAX?
It's only used for XML data exchange
What is the purpose of the onreadystatechange property?
To define a function to be executed when the readyState changes
What is the value of the readyState property when the request is received?
2
What is the status code for 'Forbidden'?
403
What is the purpose of the xhttp.send() method?
To send the request to the server
What is the property that returns the status-text (e.g. 'OK' or 'Not Found')?
statusText
What is the purpose of the abort() method in an XMLHttpRequest object?
To cancel the current request
Which property of the XMLHttpRequest object holds the status of the request?
readyState
What is the purpose of the getResponseHeader() method?
To return a specific response header
What is the difference between the send() and send(string) methods?
send() is used for GET requests, while send(string) is used for POST requests
What is the purpose of the onreadystatechange property?
To define a function to be called when the readyState property changes
What is the meaning of the status code 404?
Not Found
Test your understanding of the basics of AJAX, including its definition, how it works, and its components. Learn about the role of XMLHttpRequest, JavaScript, and HTML DOM in AJAX applications.
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