title: How to initialize jsTree using JSON
body: <p>I make jsTree by this way:</p>
  
  <pre><code>$("#myTree").jstree({
                  "plugins": ["themes", "json_data", "ui", "crrm", "dnd"],
                  "themes": {
                      "theme": "default",
                      "dots": false,
                      "icons": false,
                      "url": "../../Content/jsTreeThemes/default/style.css"
                  },
                  "json_data": {
                     "data" : []
                  }
  });
  </code></pre>
  
  <p>And user sees page with empty jsTree. I must initialize my jsTree when user make some action. But I musn't use ajax initialization (I musn't use "ajax" in "json_data"). I must initialize my jsTree using only string like this:</p>
  
  <pre><code>var stringJSON = [{
      "attr": {
          "id": "1",
          "rel": "root",
          "mdata": null
      },
      "data": "title": "root_jsTree",
      "icon": null
  }, "state": "open",
  "children": [{
      "attr": {
          "id": "7",
          "rel": "folder",
          "mdata": null
      },
      "data": {
          "title": "1",
          "icon": null
      },
      "state": "",
      "children": [{
          "attr": {
              "id": "10",
              "rel": "folder",
              "mdata": null
          },
          "data": {
              "title": "leaf",
              "icon": null
          },
          "state": "",
          "children": []
      }]
  }, {
      "attr": {
          "id": "8",
          "rel": "folder",
          "mdata": null
      },
      "data": {
          "title": "leaf",
          "icon": null
      },
      "state": "",
      "children": [{
          "attr": {
              "id": "9",
              "rel": "folder",
              "mdata": null
          },
          "data": {
              "title": "leaf",
              "icon": null
          },
          "state": "",
          "children": []
      }]
  }]
  }]'
  </code></pre>
  
  <p>No matter how I receive this string, when user wants see tree I've already had this string. 
  And here I get question: How can I initialize jsTree and display it for user using only string below.</p>