Javascript examples for Chart.js:Bar Chart
Bar chart width in chartjs
<html> <head> <title>chart.js 2.0 bar</title> <meta name="viewport" content="width=device-width, initial-scale=1"> <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.4.0/Chart.min.js"></script> <script type="text/javascript"> window.onload=function(){//from ww w . j a v a 2s . com var canvas = document.getElementById('myChart'); var data = { labels: ["January","January","January","January","January"], datasets: [ { label: "My First dataset", backgroundColor: "rgba(255,99,132,0.2)", borderColor: "rgba(255,99,132,1)", borderWidth: 2, hoverBackgroundColor: "rgba(255,99,132,0.4)", hoverBorderColor: "rgba(255,99,132,1)", data: [65,65,65,65,65], } ] }; var option = { maintainAspectRatio: true, responsive: false, scales: { yAxes:[{ stacked:true, gridLines: { display:true, color:"rgba(255,99,132,0.2)" } }], xAxes:[{ barThickness : 30, gridLines: { display:false } }] } }; var width = (data.labels.length + 5) * 40; document.getElementById('myChart').setAttribute("width",(width)) document.getElementById('myChart').setAttribute("height",500) console.log(data.labels.length); var myBarChart = Chart.Bar(canvas,{ data:data, options:option }); } </script> </head> <body> <canvas id="myChart"></canvas> </body> </html>