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javascript-d3How do I use an online editor to create a D3.js visualization?


Creating a D3.js visualization using an online editor is relatively straightforward. To get started, you can use an online editor such as JSFiddle.

  1. Begin by adding the necessary JavaScript libraries in the "Resources" section, including the D3.js library.
  2. Next, add your HTML, CSS, and JavaScript code to the appropriate sections.
    <div id="chart"></div>
  3. In the JavaScript section, create your visualization by writing your D3.js code.
    var data = [10, 20, 30, 40, 50];
    var svg = d3.select("#chart")
               .append("svg")
               .attr("width", 500)
               .attr("height", 500);
    var circles = svg.selectAll("circle")
                    .data(data)
                    .enter()
                    .append("circle")
                    .attr("cx", function(d, i) {
                        return (i * 50) + 25;
                    })
                    .attr("cy", 25)
                    .attr("r", function(d) {
                        return d;
                    });
  4. Click the "Run" button to view the output.
    Output:
    <svg width="500" height="500">
     <circle cx="25" cy="25" r="10"></circle>
     <circle cx="75" cy="25" r="20"></circle>
     <circle cx="125" cy="25" r="30"></circle>
     <circle cx="175" cy="25" r="40"></circle>
     <circle cx="225" cy="25" r="50"></circle>
    </svg>
  5. Make adjustments to your code as needed until you are satisfied with the output.
  6. Once you are done, click the "Save" button to save your work.
  7. You can also share your visualization by clicking the "Share" button.

Helpful links

Edit this code on GitHub