Javascript 如何从外部js文件加载Chart.js纸条?
我正在尝试在网站上加载Chart.js图表,但希望将脚本保存在外部js文件中。当我将脚本放在HTML文件中时,它可以正常工作,但是当我尝试将它放在外部文件中时,它不会加载。这是我的HTML文件:Javascript 如何从外部js文件加载Chart.js纸条?,javascript,charts,chart.js,Javascript,Charts,Chart.js,我正在尝试在网站上加载Chart.js图表,但希望将脚本保存在外部js文件中。当我将脚本放在HTML文件中时,它可以正常工作,但是当我尝试将它放在外部文件中时,它不会加载。这是我的HTML文件: <!DOCTYPE html> <html lang="en"> <head> <script type="text/javascript" src="node_modules/chart.js/dist/Chart.js"
<!DOCTYPE html>
<html lang="en">
<head>
<script
type="text/javascript"
src="node_modules/chart.js/dist/Chart.js"
></script>
<script src="node_modules/jquery/dist/jquery.js"></script>
<script src="js/script_test.js"></script>
</head>
<body>
<div>
<canvas id="myChart2" width="400" height="400"></canvas>
</div>
</body>
</html>
非常感谢您的帮助 这回答了你的问题吗?您的代码显示
script\u test.js
,但您编写的外部文件名为script\u text.js
。这是问题中的错误吗?不,那是答案!谢谢
var ctx = document.getElementById("myChart2").getContext("2d");
console.log("hi", ctx);
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
}
]
},
options: {
scales: {
yAxes: [
{
ticks: {
beginAtZero: true
}
}
]
}
}
});
}