在jquery对话框中打开jstree

I've looked for every possible example, but couldn't find a complete one. I'm new to jQuery and javascript in general - I'm a backend developer. I'm trying to display the html results of an ajax call inside a jstree in a dialog box, and don't have the first clue what I'm doing. This is what I've come up with so far - can someone tell me what I'm doing wrong? (I had to retype this vs copy/paste, so there may be some minor typos).I've looked for every possible example, but cou