D3:Learning:Selectors:selectAll

A starting point to clone and get investigating quickly.

HTML

<script src="//cdnjs.cloudflare.com/ajax/libs/d3/3.4.11/d3.min.js"></script>
<div id="exSelect">
    <p>Uno</p>
    <p>Dos</p>
</div>

JavaScript

jQuery(document).ready(function() {
    //Use d3:  
    d3
    //Within the exSelect, select a p element (we are not using selectAll):
    .selectAll("#exSelect p")
    //OK:.select("#exSelect > p")
    //NOT OK: .select("#exSelect.p")
    //And stye it:
    .style("color","red");
    
    console.log(d3.selectAll("p"));
    

});