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In my recent work, I'm implementing ChartJS charts.
But I'm having trouble popularizing the graph with the data I get from the database.

What I am trying to do:
I get the data from the database, and I send the information I want for an Array.

And I'm pulling the Array in the field I want to use.

Here is my code js:

function charts()
var ligEntrantes = ;
var registeredOrders = ;
var duvidasRegistradas = ;
var incidentesRegistrados = ;

$.ajax(
 url: '<?=base_url("/relatorios/auxiliar")?>',
 dataType: 'json',
 success: function(response)
 $(response.information).each(function(index, item)
 ligEntrantes.push(item.incomingCalls);
 registeredOrders.push(item.registeredOrders);
 duvidasRegistradas.push(item.doubt);
 incidentesRegistrados.push(item.incidents);
 );
 console.log(ligEntrantes);
 ,
 error: function(response)
 console.error(response);
 
)

Chart.defaults.global.hover.intersect = false;
var estados = ["Acre","Alagoas","Amapá","Amazonas","Bahia","Ceará","Distrito Federal","Espírito Santo","Goiás","Maranhão","Mato Grosso","Mato Grosso do Sul","Minas Gerais","Pará","Paraíba","Paraná","Pernambuco","Piauí","Rio de Janeiro","Rio Grande do Norte","Rio Grande do Sul","Rondônia","Roraima","Santa Catarina","São Paulo","Sergipe","Tocantins"];
var regionChartCanvas = document.getElementById("regionChart").getContext("2d");
var regionChart = new Chart(regionChartCanvas, 
 type: 'line',
 data: 
 labels: estados,
 datasets: [
 label: 'Ligações Entrantes',
 data: ligEntrantes,
 backgroundColor: 'transparent',
 borderColor: 'rgba(46, 204, 113,1.0)',
 pointHoverBackgroundColor: 'rgba(46, 204, 113,1.0)',
 lineTension: 0
 ,
 
 label: 'Pedidos Registradas',
 data: registeredOrders,
 backgroundColor: 'transparent',
 borderColor: 'rgba(52, 152, 219,1.0)',
 pointHoverBackgroundColor: 'rgba(52, 152, 219,1.0)',
 lineTension: 0
 ,
 
 label: 'Dúvidas Registradas',
 data: duvidasRegistradas,
 backgroundColor: 'transparent',
 borderColor: 'rgba(52, 73, 94,1.0)',
 pointHoverBackgroundColor: 'rgba(52, 73, 94,1.0)',
 lineTension: 0
 ,
 
 label: 'Incidentes Registradas',
 data: incidentesRegistrados,
 backgroundColor: 'transparent',
 borderColor: 'rgba(231, 76, 60,1.0)',
 pointHoverBackgroundColor: 'rgba(231, 76, 60,1.0)',
 lineTension: 0
 ]
 ,
 options: 
 animation: false,
 scales: 
 yAxes: [
 stacked: true,
 autoSkip: false,
 beginAtZero: true
 ],
 xAxes: [
 ticks: 
 autoSkip: false
 
 ]
 ,
 tooltips: 
 mode: 'x',
 displayColors: true
 
 ,
);
;

However, when loading the page, the graph is not generated.
And when I move the mouse over the graph, I get the error in the console:

Uncaught TypeError: Cannot read property 'skip' of undefined --------- Chart.min.js:10

I've done tests with console.log in several parts of the code, and the Array is recognized normally.

Could someone please help me?
Grateful for disposal.

ChartJS doesn't have "regionChart" support. Following link have the list of supported charts using ChartJS. I will suggest you to first implement a chart using hard coded values and when you are able to draw chart with hard coded then in next next step pull the data from the DB.

ChartJS charts