I'm trying to build a Zoomable TreeMap using d3 js. I need to take an array of JSON objects from the server and pass it to tha treeMap and let the treemap handle it. But in doing so I'm not able to parse itI'm trying to build a Zoomable TreeMap using d3
阅读背景：
使用json对象获取树图的输入，而不是从csv文件中读取
来源：互联网
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