javascript - d3中的可折叠图(collapsible graph in d3 [closed])

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I try to make network graph in d3 what I want is a graph like this example but first time show parent and children in first level and then after click on one of the child show other children,could you give me help.

(我尽量让网络图，在d我想是这样的曲线例子 ，但首次展现家长和孩子们在第一级，然后点击子之一后，显示其他的孩子，你能不能给我的帮助。)

enter code here

  ask by lida translate from so

Answer 1

等待大神答复