Test case details

Preparation Code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script> <script src="http://cdnjs.cloudflare.com/ajax/libs/d3/2.10.0/d3.v2.min.js"></script> <section id = "main">   <div class = "one">     <p> One </p>   </div>   <div class = "two">     <p> Two </p>   </div> </section>

Test cases

Test #1

$('#main .one').css("color", "red")

Test #2

d3.select("#main .one").style("color", "red")