Javascript 条形图未与chart.js一起显示。有人能帮忙吗?代码粘贴在下面 Chart.js演示 Chart.js示例 var ctx=document.getElementById(“myChart”); var myChart=新图表(ctx{ 类型:'bar', 数据:{ 标签:[“红色”、“蓝色”、“黄色”、“绿色”、“紫色”、“橙色”], 数据集:[{ 标签:“#投票数”, 数据:[12,19,3,5,2,3], 背景颜色:[ "rgba(255,99,132,0.2)",, “rgba(54162235,0.2)”, "rgba(255,206,86,0.2)",, “rgba(751921920.2)”, “rgba(153102255,0.2)”, ‘rgba(255、159、64、0.2)’ ], 边框颜色:[ "rgba(255,99132,1)",, “rgba(54162235,1)”, "rgba(255,206,86,1)",, "rgba(751921921)",, "rgba(153102255,1)",, ‘rgba(255、159、64、1)’ ], 边框宽度:1 }] },
无法显示带有上述代码的条形图。有人能帮助解决问题吗? 我正在尝试使用chart.js库作为显示图表的源代码 无法显示带有上述代码的条形图。有人能帮助解决问题吗?Javascript 条形图未与chart.js一起显示。有人能帮忙吗?代码粘贴在下面 Chart.js演示 Chart.js示例 var ctx=document.getElementById(“myChart”); var myChart=新图表(ctx{ 类型:'bar', 数据:{ 标签:[“红色”、“蓝色”、“黄色”、“绿色”、“紫色”、“橙色”], 数据集:[{ 标签:“#投票数”, 数据:[12,19,3,5,2,3], 背景颜色:[ "rgba(255,99,132,0.2)",, “rgba(54162235,0.2)”, "rgba(255,206,86,0.2)",, “rgba(751921920.2)”, “rgba(153102255,0.2)”, ‘rgba(255、159、64、0.2)’ ], 边框颜色:[ "rgba(255,99132,1)",, “rgba(54162235,1)”, "rgba(255,206,86,1)",, "rgba(751921921)",, "rgba(153102255,1)",, ‘rgba(255、159、64、1)’ ], 边框宽度:1 }] },,javascript,Javascript,无法显示带有上述代码的条形图。有人能帮助解决问题吗? 我正在尝试使用chart.js库作为显示图表的源代码 无法显示带有上述代码的条形图。有人能帮助解决问题吗? 我正在尝试使用chart.js库作为显示图表的源代码脚本中的某些大括号未关闭,并且引用的chart.js版本非常旧。在我更正脚本并将chart.js更新为当前版本2.5.0时显示了该图表 <!DOCTYPE html> <html> <html> <head> <meta cha
我正在尝试使用chart.js库作为显示图表的源代码脚本中的某些大括号未关闭,并且引用的chart.js版本非常旧。在我更正脚本并将chart.js更新为当前版本2.5.0时显示了该图表
<!DOCTYPE html>
<html>
<html>
<head>
<meta charset="utf-8" />
<title>Chart.js demo</title>
<canvas id="myChart" width="600" height="400"></canvas>
<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/0.2.0/Chart.min.js" type="text/javascript"></script>
</head>
<body>
<h1>Chart.js Sample</h1>
<script>
var ctx = document.getElementById("myChart");
var myChart = new Chart(ctx, {
type: 'bar',
data: {
labels: ["Red", "Blue", "Yellow", "Green", "Purple", "Orange"],
datasets: [{
label: '# of Votes',
data: [12, 19, 3, 5, 2, 3],
backgroundColor: [
'rgba(255, 99, 132, 0.2)',
'rgba(54, 162, 235, 0.2)',
'rgba(255, 206, 86, 0.2)',
'rgba(75, 192, 192, 0.2)',
'rgba(153, 102, 255, 0.2)',
'rgba(255, 159, 64, 0.2)'
],
borderColor: [
'rgba(255,99,132,1)',
'rgba(54, 162, 235, 1)',
'rgba(255, 206, 86, 1)',
'rgba(75, 192, 192, 1)',
'rgba(153, 102, 255, 1)',
'rgba(255, 159, 64, 1)'
],
borderWidth: 1
}]
},
</script>
</body>
</html>
Chart.js演示
Chart.js示例
var ctx=document.getElementById(“myChart”);
var myChart=新图表(ctx{
输入:“酒吧”,
数据:{
标签:[“红色”、“蓝色”、“黄色”、“绿色”、“紫色”、“橙色”],
数据集:[
{
标签:“投票数”,
数据:[12,19,3,5,2,3],
背景颜色:[
"rgba(255,99,132,0.2),,
“rgba(54162235,0.2)”,
"rgba(255,206,86,0.2),,
“rgba(751921920.2)”,
“rgba(153102255,0.2)”,
rgba(255、159、64、0.2)
],
边框颜色:[
“rgba(255,99132,1)”,
“rgba(54162235,1)”,
“rgba(255、206、86、1)”,
“rgba(751921921)”,
“rgba(153、102、255、1)”,
rgba(255、159、64、1)
],
边框宽度:1
}
]
}
});
非常感谢parag,它确实有效,请帮助我如何更新图形大小,当我更改画布属性时无法正常工作请参阅此答案再次感谢parag,我想用下面的代码var myChart=new Chart(ctx1,{type:'bar',data:data,scales:{xAxes:[{gridLines:{display:false}}],yAxes:[{gridLines:{display:false}]}});但它不工作,是因为版本问题吗?修复缩进
<head>
<meta charset="utf-8" />
<title>Chart.js demo</title>
<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.5.0/Chart.js" type="text/javascript"></script>
</head>
<body>
<h1>Chart.js Sample</h1>
<canvas id="myChart" width="600" height="400"></canvas>
<script>
var ctx = document.getElementById("myChart");
var myChart = new Chart(ctx, {
type: "bar",
data: {
labels: ["Red", "Blue", "Yellow", "Green", "Purple", "Orange"],
datasets: [
{
label: "# of Votes",
data: [12, 19, 3, 5, 2, 3],
backgroundColor: [
"rgba(255, 99, 132, 0.2)",
"rgba(54, 162, 235, 0.2)",
"rgba(255, 206, 86, 0.2)",
"rgba(75, 192, 192, 0.2)",
"rgba(153, 102, 255, 0.2)",
"rgba(255, 159, 64, 0.2)"
],
borderColor: [
"rgba(255,99,132,1)",
"rgba(54, 162, 235, 1)",
"rgba(255, 206, 86, 1)",
"rgba(75, 192, 192, 1)",
"rgba(153, 102, 255, 1)",
"rgba(255, 159, 64, 1)"
],
borderWidth: 1
}
]
}
});
</script>
</body>