D3.js selectors d3.select
by Imabot
HTML
<script src="https://d3js.org/d3.v5.min.js"></script>
<h1></h1>
<div id="myId"></div>
<p class='myClass'></p>
<p class='myClass'></p>
JavaScript
// Select first element and
d3.select('h1').text('Select by tag')
d3.select('#myId').text('Select by ID')
d3.select('.myClass').text('Select by class')