I also plant an OO tree JXTree[js css xml]_javascript skills

oo, object-oriented, the amount of code is significantly reduced by inheriting
The Everyone
Because there is an xml file, I can only download it and run it locally
Give me two screenshots
I also want to ask the prawns a question, as shown below
. text {
/*If you change it to 14px or smaller, the tree will be deformed*/
font-size:16px;
cursor:default;
}
Currently it can only be designed to 16px , the default size of the browser
I hope experts can answer it, thank you very much
Demonstration address: http://javaer.3322.org/phy/jxtree.html [LAN Internet, I don’t know if I can connect]
File download:

JXTree_v0.9.rar