The server returns data to the client during an AJAX postback. Which of the following is correct about the returned data?

In the following list, which states are valid? XMLHttpRequest.readyState

document.write (Hello'); will pop a dialog box with 'Hello' in it.

Which is not a JavaScript operator?

What language does AJAX use on the client side?

Common way to make a request with XMLHttpRequest?

Common way to make a request with XMLHttpRequest?

What language does AJAX use on the client side?

Which is not a JavaScript operator?

document.write (Hello'); will pop a dialog box with 'Hello' in it.

In the following list, which states are valid? XMLHttpRequest.readyState