Chartjs-How get data from given string in javascript?

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You’re passing an array of objects for both your labels and your data. You want to pass an array of strings for the labels and an array of numeric values for your data. Change your code to this:

window.onload = function () {
var data_points = {!! $data_points !!};
//create your new arrays here
var data_labels = data_points.map((index) => index.x);
var data_values = data_points.map((index) => parseInt(index.y));

var ctx = document.getElementById("myChart").getContext('2d');
var myChart = new Chart(ctx, {
    type: 'line',
    data: {
        //use data_labels array here
        labels: data_labels,
        datasets: [{
            label: 'Sale of the Month',
            //use data_values array here
            data: data_values,
            backgroundColor: [
                'rgba(54, 162, 235, 0.2)'
            ],
            borderColor: [
                'rgba(255,99,132,1)'
            ],
            borderWidth: 1
        }]
    },
    options: {
        scales: {
            yAxes: [{
                ticks: {
                    beginAtZero:true
                }
            }]
        }
    }
});
}

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