To create a basic context menu use $.contextMenu() and the add your target with
{selector: "myId"} and then create your items for menu with
{items:{"name" : "item 1"}}
Left Click
To create a context menu which pops up on left click use {trigger : "left"}.
Submenu
You can create context menu with sub menus by using {fold} and adding menu items inside of it.
Hover
To create a context menu which pops on hover use {trigger : true}