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TA贡献1876条经验 获得超6个赞
您应该将 import js 放在从 js 调用的函数的顶部。所以最简单的方法是放在<script type="text/javascript" src="{{ asset('js/Chart.js') }}"></script>标题中。或者放在页脚但在上面new Chart(ctx,{})。以下是示例工作代码段:
<script src="https://cdn.jsdelivr.net/npm/chart.js@2.8.0/dist/Chart.min.js"></script>
<canvas id="timechart" width="800px" height="400px"></canvas>
<script>
var ctx = document.getElementById('timechart').getContext('2d');
var chart = new Chart(ctx, {
// The type of chart we want to create
type: 'line',
// The data for our dataset
data: {
labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'],
datasets: [{
label: 'My First dataset',
backgroundColor: 'rgb(255, 99, 132)',
borderColor: 'rgb(255, 99, 132)',
data: [0, 10, 5, 2, 20, 30, 45]
}]
},
// Configuration options go here
options: {}
});
</script>
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