HOTSPOT
You implement a callback function by using JavaScript.
You need to process the returned XML data.
How should you complete the relevant code? (To answer, select the appropriate option from each
drop-down list in the answer area.)
Answer: 
How should you complete the relevant code?
HOTSPOT
You implement a callback function by using JavaScript.
You need to process the returned XML data.
How should you complete the relevant code? (To answer, select the appropriate option from each
drop-down list in the answer area.)
callback.call(httpRequest.responseXML);
processResults(this);