title: How to highlight specific lines in Ace Editor Angular Project?
body: <p>I am not able to highlight specific lines in ace editor.
  I didn't find any package for the same.</p>
  
  <p>app.component.css</p>
  
  <pre><code>.myMarker {
    position:absolute;
    background:rgba(100,200,100,0.5);
    z-index:20
  }
  </code></pre>
  
  <p>app.component.html</p>
  
  <pre><code>&lt;ace-editor #editor [text]="text" style="min-height: 200px; width:100%; overflow: auto;"&gt;&lt;/ace-editor&gt;
  </code></pre>
  
  <p>app.component.ts</p>
  
  <pre><code>import { Component } from '@angular/core';
  import{ViewChild} from '@angular/core'
  import 'brace/theme/merbivore';
  import 'brace/mode/golang';
  import 'brace/ext/language_tools';
  @Component({
    selector: 'app-root',
    templateUrl: './app.component.html',
    styleUrls: ['./app.component.css']
  })
  
  
  export class AppComponent {
      @ViewChild('editor') editor;
      text: string = " func main() {\n{\na := []float64{2, 3, 5, 7, 11, 13}\nmean := stat.Mean(a, nil)\nfmt.Println(mean)\n}";
  
      ngAfterViewInit() {
  
          this.editor.setTheme("merbivore");
          this.editor.setMode("golang");
          this.editor.getEditor().setOptions({
            enableLiveAutocompletion: true,
            enableBasicAutocompletion: true,
            enableSnippets: true,
          });
         var ace = require('brace');
      var Range = ace.acequire('ace/range').Range;
  this.editor.getEditor().session.addMarker(new Range(2, 0, 0, 1), 'myMarker', 'fullLine', true);
          }
      }
  </code></pre>