## StringtreeNode.url

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

The URL of node link

1. In edit mode (setting.edit.enable = true) , this feature fails. If you must use a similar feature, please use the 'onClick' callback for their own control.

2. If you use the 'onClick' callback function to control opening URL , then set the URL in the other custom attribute, do not use the 'url' attribute.

Default: undefined

### String Format

As same as <a> tag's 'href' attribute.

### Examples of treeNode

#### 1. Set the URL is 'g.cn'

    var nodes = [
    	{ "id":1, "name":"Google CN", "url":"http://g.cn"},
    	......
    ]