added semicolon

src/app/app.component.css

@@ -59,4 +59,15 @@ iframe{
 }
 .no-border-bottom{
     border-bottom: none;
+}
+.console ul{
+    padding:0px;
+    margin: 0px;
+    list-style-type: none;
+}
+.console ul li{
+    border-top:1px solid #eee;
+}
+.console ul li.log{
+    color:#111;
 }

src/app/app.component.html

@@ -1,7 +1,7 @@
 <div>
   <div class="action-buttons">
     <button class="btn btn-primary" (click)="run()">Run</button>
-    <button class="btn btn-primary" (click)="run()">Save</button>
+    <!-- <button class="btn btn-primary" (click)="run()">Save</button> -->
   </div>
   <div class="table">
     <div class="row">
@@ -50,8 +50,8 @@
 </div>
 <div class="console">
   <ul>
-    <li *ngFor="let log of logs">
-      {{log}}
+    <li class="{{log.type}}" *ngFor="let log of logs">
+      {{log.text}}
     </li>
   </ul>
 </div>

src/app/app.component.ts

@@ -31,7 +31,10 @@ export class AppComponent implements AfterViewInit{
 
   overrideConsole(){
     this.iframe.nativeElement.contentWindow.console.log = (log:any)=>{
-      this.logs.push(log);
+      this.logs.push({
+        "text":log,
+        "type":"log"
+      });
     }
   }
 

src/app/editor/editor.component.html

@@ -1,6 +1,7 @@
 <ace-editor (textChanged)="contentChange()" 
 [theme]="'eclipse'"
 [(text)]="content"
-[mode]=mode >
+[mode]=mode 
+[options]="options">
 
 </ace-editor>

src/app/editor/editor.component.ts

@@ -1,18 +1,22 @@
 import { Component, OnInit, EventEmitter } from '@angular/core';
-import { Input,Output } from '@angular/core';
+import { Input,Output, AfterViewInit } from '@angular/core';
 
 @Component({
   selector: 'app-editor',
   templateUrl: './editor.component.html',
   styleUrls: ['./editor.component.css']
 })
-export class EditorComponent implements OnInit {
+export class EditorComponent implements OnInit,AfterViewInit {
   @Output('contentChange') contentEvent:EventEmitter<any> = new EventEmitter();
   @Input('mode') mode:any;
   @Input('content') content:any;
 
+  options:any = {};
 
-  constructor() { }
+
+  ngAfterViewInit() { 
+    this.options.enableBasicAutocompletion = true;
+  }
 
   ngOnInit() {
   }