applied-dataviz-learn-d3/example4.html at master · CenterForCollectiveLearning/applied-dataviz-learn-d3 · GitHub

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<html>
  <head>
    <title>MAS.S70 | D3 workshop</title>
    <link href="https://fonts.googleapis.com/css?family=PT+Sans" rel="stylesheet">
    <style>
      body {
        margin: 0;
        padding: 3%;
        font-family: 'PT Sans', sans-serif;
      }
      .page {
        margin: 0 auto;
        max-width: 800px;
        width: 90%;
      }
      h1 {
        font-weight: normal;
        text-rendering: optimizeLegibility;
      }
    .chart rect {
      fill: rgba(3, 168, 124, 0.8);
    }

    .chart text {
      fill: white;
      font: 10px sans-serif;
      text-anchor: end;
    }
    </style>
  </head>
  <body>
    <div class="page">
      <h1>Updating the chart dynamically | Functions</h1>
      <br />
      <h2> What is a function? </h2>
      <p>
        A function is a block of code that takes some inputs and transforms it
        into an output. (This is a simplification).
      </p>
      <br />
      <svg id="svg1">
      </svg>
    </div>
    <script src="http://d3js.org/d3.v3.min.js"></script>
    <script>
      // Let's put everything in two functions
      function generateData() {
        // Fill this out
      }

      function drawChart(data) {
        d3.select("#svg1").selectAll("*").remove()

        // Put in your bar chart code
      }

      function repeatedTask() {
        // What goes here?
      }

      // How do you call the repeatedTask again and again every second?
    </script>
  </body>
</html>