JSFiddle - React, Tailwind, and code Playground
by ferlin_husky
HTML
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script>
<body></body>
JavaScript
var data=[{ "date": "20120927",
"hours": [
{ "hour": 0, "hits": 823896 },
{ "hour": 1, "hits": 654335 },
{ "hour": 2, "hits": 548812 },
{ "hour": 3, "hits": 512863 },
{ "hour": 4, "hits": 500639 }
],
"totalHits": "32,870,234",
"maxHits": "2,119,767",
"maxHour": 12,
"minHits": "553,821",
"minHour": 3 },
{ "date": "20120928",
"hours": [
{ "hour": 0, "hits": 1235923 },
{ "hour": 1, "hits": 654335 },
{ "hour": 2, "hits": 1103849 },
{ "hour": 3, "hits": 512863 },
{ "hour": 4, "hits": 488506 }
],
"totalHits": "32,870,234",
"maxHits": "2,119,767",
"maxHour": 12,
"minHits": "553,821",
"minHour": 3 }];
d3.select("body").append("ul").selectAll("li")
.data(data).enter().append("li").each(function() {
var li = d3.select(this);
li.append("p")
.text(function(d) { return d.date; });
li.append("ul").selectAll("li")
.data(function(d) { return d.hours; }) // second level data-join
.enter().append("li")
.text(function(d) { return d.hour + ": " + d.hits; });
});