## NumbertreeNode.check_Child_State

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

Used to record the node's half-checked state about its all child nodes's checkbox or radio. It is valid when [setting.check.enable = true]

zTree v3.x provides treeNode.getCheckStatus () method to get an accurate the half-checked status.

Do not initialize or modify it, it is an internal argument.

Default: true

### Number Format

Rules:

setting.check.checkType = "checkbox"
treeNode.check_Child_State | Checked Status Description
-1 | Has no child nodes or all child nodes's 'nocheck' attribute is true.
0 | All of the child nodes has not been checked.
1 | Some of the child nodes has been checked.
2 | All of the child nodes has been checked.

setting.check.checkType = "radio"
treeNode.check_Child_State | Checked Status Description
-1 | Has no child nodes or all child nodes's 'nocheck' attribute is true.
0 | All of the child nodes has not been checked.
2 | Some of the child nodes has been checked.