Start editing the node's name.
1. If need to cancel editing the node's name, please use cancelEditName(newName) method.
2. This method can be used to set the editing node‘s input box to get focus.
3. Please use zTree object to executing the method.
JSON data object of the node to be editing name
Please ensure that this data object is an internal node data object in zTree.
no return value
var treeObj = $.fn.zTree.getZTreeObj("tree");
var nodes = treeObj.getNodes();
treeObj.editName(nodes[0]);