What are the reasons behind ChartJs malfunctioning in Internet Explorer?

Why is the VueJs chart application not working in Internet Explorer?

For instance, the code snippet below doesn't show any errors but fails to execute:

<div class="app">
  {{ message }}
  <line-chart></line-chart>
</div>

Vue.component('line-chart', {
  extends: VueChartJs.Line,
  mounted () {
    this.renderChart({
      labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'],
      datasets: [
        {
          label: 'Data One',
          backgroundColor: '#f87979',
          data: [40, 39, 10, 40, 39, 80, 40]
        }
      ]
    }, {responsive: true, maintainAspectRatio: false})
  }

})

var vm = new Vue({
  el: '.app',
  data: {
    message: 'Hello World'
  }
})

Answer №1

The reason for this issue is due to the usage of ES6 syntax in defining an object method within your component. This particular line is causing compatibility problems with Internet Explorer:

mounted () {

Since ES6 syntax is not yet supported in IE, you will need to switch to using ES5 syntax throughout your component or application to ensure compatibility. Here's an example of how you can adjust your code to support IE:

Vue.component('line-chart', {
   extends: VueChartJs.Line,
   mounted: function() {  //<- make this change
      this.renderChart({
         labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'],
         datasets: [{
            label: 'Data One',
            backgroundColor: '#f87979',
            data: [40, 39, 10, 40, 39, 80, 40]
         }]
      }, {
         responsive: true,
         maintainAspectRatio: false
      })
   }
});

You can view a functional example here.

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