## BooleantreeNode.checkedOld

### Overview[ depends on jquery.ztree.excheck js ]

The checked status about node's checkbox or radio when zTree was initialized. It is valid when [setting.check.enable = true & treeNode.nocheck = false]

1. Do not initialize it, it will be initialized when the node is initialized.

2. If you need to achieve special features, you can use the zTreeObj.getChangeCheckedNodes method and modify the value of 'checkedOld' attribute.

Default: the value of 'checked' attribute when zTree is initialized

### Boolean Format

true means: the checkbox or radio is checked when zTree is initialized.

false means: the checkbox or radio is not checked when zTree is initialized.

### Examples of treeNode

#### 1. Get the original checked status of the first root node

    var treeObj = $.fn.zTree.getZTreeObj("tree");
    var checkedOld = treeObj.getNodes()[0].checkedOld;