Dynamically Change the Height of Each Bar

JavaScript
1

Tell us what’s happening:
Where is my wrong?Can someone help me?

Your code so far


<body>
  <script>
    const dataset = [12, 31, 22, 17, 25, 18, 29, 14, 9];
    
    const w = 500;
    const h = 100;
    
    const svg = d3.select("body")
                  .append("svg")
                  .attr("width", w)
                  .attr("height", h);
    
    svg.selectAll("rect")
       .data(dataset)
       .enter()
       .append("rect")
       .attr("x", (d, i) => i * 30)
       .attr("y", 0)
       .attr("width", 25)
       .attr("height", (d, i) => {
         // Add your code below this line
         selection.attr("property", (d, i) => {

         });
         
         
         // Add your code above this line
       });
  </script>
</body>

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36.

Link to the challenge:

2

All you need is to multiply the data by 3.

        .attr("height", (d, i) => {
         // Add your code below this line
        return (d * 3)
         
         
         // Add your code above this line
       });
3

Thank oyu for help i got it.

1 Like