d3.js如何使所有节点折叠在可折叠缩进的树中
问题描述：
我试图在样本d3折叠树上工作。 mbostock的块＃1093025。最初，当窗体加载时，如何使所有的节点最初折叠？
I am trying to work on a sample d3 collapsible tree. mbostock’s block #1093025. Initially when the form is loaded, how do i make all the nodes collapsed initially?
答
在你的json加载。
检查示例： http://mbostock.github.io/d3 /talk/20111018/tree.html
You have to add a function for that in your json loading. Check that example : http://mbostock.github.io/d3/talk/20111018/tree.html