Code snippet of tutorial bubble plot

plot.js

const margin = { top: 10, right: 20, bottom: 30, left: 50 };
const width = 500 - margin.left - margin.right;
const height = 420 - margin.top - margin.bottom;
const xLabelHeight = 50;

d3.csv("https://tutorial-node-api-k8s-ng-the-engineer.cloud.okteto.net/skills", (data) => {
    ...
  }
);
    
const svg = d3
  .select("#skills_bubble_plot")
  .append("svg")
  .attr("width", width + margin.left + margin.right)
  .attr("height", height + margin.top + margin.bottom + xLabelHeight)
  .append("g")
  .attr("transform", "translate(" + margin.left + "," + margin.top + ")");