小编Nis*_*tha的帖子

我正在 Angular8 中做一个项目并使用 ChartJS 创建图表。运行项目后，它将显示图表。但它会给出一个错误说：

Property 'getContext' does not exist on type 'HTMLElement'.

我如何摆脱这个错误？

这是我的代码：

图表.component.html

<div id="container" style="width:350px;height:250px">
  <canvas id="myChart" width=300 height=300></canvas>   
</div>

图表组件.ts

import {Component, OnInit} from '@angular/core';
import {Chart} from 'chart.js';
import {ChartService} from '../charts/chart.service';
import {HttpClient} from '@angular/common/http';

// import {DATA} from '../CHART/CHARTS.MODEL';

@Component({
  selector: 'app-charts',
  templateUrl: './charts.component.html',
  styleUrls: ['./charts.component.scss']
})
export class ChartsComponent implements OnInit {

  constructor(
    private ChartItems: ChartService,
    private httpClient: HttpClient
  ) {   }

  ngOnInit() {
    this.getChartDetails();
}

  getChartDetails() {
    this.ChartItems.getChart().subscribe(data => { …