图表 JS 在鼠标悬停在图表上相对于 X 轴显示 y 轴的值

Abh*_*ikh 5 html javascript charts chart.js

在图表 JS 中，我的图表仅在鼠标移到图表上时才显示值我想在鼠标移到图表中的任何点上时显示多个图表值。

该值用于 Y 轴相对于我的鼠标的 X 轴位置（显而易见）

<!doctype html>
<html>

<head>
    <title>Line Chart</title>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.1.6/Chart.bundle.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.0.0/jquery.min.js"></script>
    <style>
    canvas{
        -moz-user-select: none;
        -webkit-user-select: none;
        -ms-user-select: none;
    }
    </style>
</head>

<body>
    <div style="width:90%;">
        <canvas id="canvas"></canvas>
    </div>
    <br>
    <br>
    <script>

        var randomColorFactor = function() {
            return Math.round(Math.random() * 255);
        };
    var randomColor = function(opacity) {
        return 'rgba(' + randomColorFactor() + ',' + randomColorFactor() + ',' + randomColorFactor() + ',' + (opacity || '.3') + ')';
    };

    var config = {
        type: 'line',
        data: {
            labels: [1,2,3,4,5,6,7,8,9,1,2,3,4,5,6,7,8,9,1,2,3,1,2,3,4,5,6,7,8,9,1,2,3,4,5,6,7,8,9,1,2,3,1,2,3,4,5,6,7,8,9,1,2,3,4,5,6,7,8,9,1,2,3],
            datasets: [{
                label: "My First dataset",
                data: [12,13,14,15,21,16,15,25,16,12,15,23,16,12,13,14,15,21,16,15,25,16,12,15,23,16,12,13,14,15,21,16,15,25,16,12,15,23,16,12,13,14,15,21,16,15,25,16,12,15,23,16],
                fill: false,
                borderDash: [1, 1],
            }]
        },
        options: {
            responsive: true,
            title:{
                display:true,
                text:'Chart.js Line Chart'
            },
            tooltips: {
                mode: 'label',

            },
            hover: {
                mode: 'dataset'
            },
            scales: {
                xAxes: [{
                    display: true,
                    scaleLabel: {
                        show: true,
                        labelString: 'Month'
                    }
                }],
                yAxes: [{
                    display: true,
                    scaleLabel: {
                        show: true,
                        labelString: 'Value'
                    },
                    ticks: {
                        suggestedMin: -10,
                        suggestedMax: 25,
                    }
                }]
            }
        }
    };

    $.each(config.data.datasets, function(i, dataset) {
    });

    window.onload = function() {
        var ctx = document.getElementById("canvas").getContext("2d");
        window.myLine = new Chart(ctx, config);
    };


       </script>

Run Code Online (Sandbox Code Playgroud)

我得到的图表看起来像

我想要的是

提前致谢

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