编程学习网为您整理以下代码实例，主要实现：D3.js数据函数，希望可以帮到各位朋友。
<!DOCTYPE HTML>
<HTML>
<head>
<script type = "text/JavaScript" src = "https://d3Js.org/d3.v4.min.Js"></script>
<style>
body { Font-family: Arial; }
</style>
</head>
<body>
<p></p>
<p></p>
<p></p>
<script>
var data = [1, 2, 3];
var paragraph = d3.select("body")
.selectAll("p")
.data(data)
.text(function (d, i) {
console.log("d: " + d);
console.log("i: " + i);
console.log("this: " + this);
return "The index is " + i + " and the data is " + d;
});
</script>
</body>
</HTML>
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