Fix answer-statistic

src/app/answer-statistics/answer-statistics.component.html

@@ -25,9 +25,9 @@
           <div align="right"> Selected: {{ choice.answers }} times</div>
         </div>
         <div fxLayoutAlign="center" fxLayoutGap="10px">
-          <button mat-raised-button color="primary" (click)="showEvaluation(selectedContent.index-1)">Before</button>
+          <button mat-raised-button color="primary" (click)="showEvaluation(selectedContent.index - 1)">Before</button>
           <div><b>{{ selectedContent.index }} / {{ selectedContent.length }}</b></div>
-          <button mat-raised-button color="primary" (click)="showEvaluation(selectedContent.index+1)">Next</button>
+          <button mat-raised-button color="primary" (click)="showEvaluation(selectedContent.index + 1)">Next</button>
         </div>
       </mat-tab>
     </mat-tab-group>

src/app/answer-statistics/answer-statistics.component.ts

@@ -62,7 +62,7 @@ export class AnswerStatisticsComponent implements OnInit {
     }
   }
 
-  showStatistic(value) {  /** refactor answer class structure for less code and more abstraction*/
+  showStatistic(value) {  // refactor answer class structure for less code and more abstraction
     this.statistics = [];
     for (const question of this.content) {
       if (value === '1') {
@@ -93,6 +93,6 @@ export class AnswerStatisticsComponent implements OnInit {
   }
 
   showEvaluation(index: number) {
-    /** coming with api connection, logic doesnt make sense without knowledge about api **/
+    // coming with api connection, logic doesnt make sense without knowledge about api
   }
 }