JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>

JavaScript

//Make an SVG Container
 var svgContainer = d3.select("body").append("svg")
                                     .attr("width", 600)
                                     .attr("height", 1000);
 
 //Draw the Rectangle
var startTime = $.now();
for (var i = 0; i < 10000; i++) {
svgContainer.append("rect")
                             .attr("x", i)
                             .attr("y", i)
                             .attr("width", 50)
                             .attr("height", 100);
}

var endTime = $.now();
console.log('Time: ' + (endTime - startTime));