Setting local variable in a JavaScript callback function

Question

I\'m relatively new to JavaScript and I thought I knew how callback functions worked but after a couple of hours of searching the web I still do not understand why my code i

Answer 1

AJAX is asynchronous. You are setting the array variable, but not until after that debug executes. Making an AJAX call sends a request but then continues on in the code. At some later point, the request returns and your success or error functions execute.