Q
In jQuery, how can you handle an error in an AJAX request?

Answer & Solution

Answer: Option B
Solution:
The error option in $.ajax() allows you to define a callback function to handle errors that occur during the request.
Related Questions on Average

How do you handle a JSON response in a jQuery AJAX call?

A). Set dataType to 'html'

B). Set dataType to 'json'

C). Set dataType to 'xml'

D). Set dataType to 'script'

Which jQuery method is used to perform an asynchronous HTTP request?

A). $.get()

B). $.post()

C). $.ajax()

D). $.load()

Which option is used to send data to the server in $.ajax()?

A). url

B). type

C). data

D). dataType

What does the context option in $.ajax() do?

A). Specifies the request timeout

B). Defines the URL

C). Specifies the context for the callback functions

D). Sets the HTTP method

Which callback function is executed when the AJAX request completes, regardless of success or failure?

A). success

B). error

C). complete

D). done

What does the dataType option in $.ajax() specify?

A). The URL to send the request to

B). The data type expected from the server

C). The HTTP method to use

D). The timeout for the request

Which method is used to retrieve JSON data from a server using a GET request?

A). $.get()

B). $.getJSON()

C). $.post()

D). $.load()

How can you handle HTML responses from an AJAX request in jQuery?

A). Set dataType to 'html'

B). Use JSON.parse()

C). Set type to 'POST'

D). Use $.html()

How can you handle JSONP responses in jQuery?

A). Set dataType to 'jsonp'

B). Set type to 'GET'

C). Use $.getJSON()

D). Use $.parseJSON()

How do you specify a function to be called if the request fails in $.ajax()?

A). Using the success option

B). Using the type option

C). Using the url option

D). Using the error option