You would use HTML and CSS to display the tree of course. Whenever the tree needs to change, you'd need to refresh the who page with the new HTML and CSS to chsoe the changes. This is a very old-fashioned way to do things.
i know html but i am new to java script. so please help me to learn java script to create a tree structure.
i search some of the topics to java script tutorials but they teach only how operators,variables,conditional statement differ in java script. sorry to say this i know everything is start with a basic but i don't have time for that.so kindly please help me out of this