两个关系Json数组合并并转换为树形视图JStree

var array1 = [
  { "id": 1, "name": "Node 1", "parent": "#", "children": true },
  { "id": 2, "name": "Node 2", "parent": "#", "children": true },
  { "id": 3, "name": "Node 3", "parent": "#", "children": true }
];

var array2 = [
  { "id": 4, "name": "Node 4", "parent": 1, "children": true },
  { "id": 5, "name": "Node 5", "parent": 1, "children": true },
  { "id": 6, "name": "Node 6", "parent": 2, "children": true }
];

var mergedArray = array1.concat(array2);

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/jstree/3.2.1/themes/default/style.min.css" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jstree/3.2.1/jstree.min.js"></script>

$(function() {
  $('#jstree').jstree({
    'core': {
      'data': mergedArray
    }
  });
});

<div id="jstree"></div>