In this example we generate another data array of random numbers. Then we generate a basic DIV based column chart using the random number to dictate the column height and colour (note the correct English spelling for colour.. not color!).
Colours can be references in a few different ways:
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>D3 : Ramdom Colours Using rgb() - Column Chart</title> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js" charset="utf-8"></script> | |
| <style type="text/css"> | |
| #chartholder { | |
| height: 400px; | |
| width: 600px; | |
| } | |
| .bar { | |
| display: inline-block; | |
| width: 50px; | |
| height: 10px; | |
| margin-right: 2px; | |
| background-color: teal; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="chartholder"></div> | |
| <script type="text/javascript"> | |
| var data = d3.range(10).map(function () { | |
| return Math.random(); | |
| }); | |
| var html = d3.select('#chartholder').selectAll('div') | |
| .data(data) | |
| .enter() | |
| .append('div') | |
| .attr('class', 'bar') | |
| .style('height', function (d) { | |
| return d * 400 + 'px'; | |
| }) | |
| .style('background-color', function (d) { | |
| return "rgb(0, 0, " + (Math.round(d * 200)) + ")"; | |
| }); | |
| </script> | |
| </body> | |
| </html> |