Error: SyntaxError: Unexpected strict mode reserved word(…)..
<p>app.template.html</p>

<pre><code>&lt;div class="container"&gt;
   &lt;div class="row"&gt;
      &lt;div class="col-md-6 "&gt;
         &lt;button class= "btn btn-primary" (click)="onAddMessage()"&gt;RANDOM BUTTON&lt;/button&gt;
      &lt;/div&gt;
   &lt;/div&gt;
&lt;/div&gt;
&lt;div class="container"&gt;
   &lt;div class="row"&gt;
      &lt;div class="col-md-6 "&gt;
         &lt;article class="panel panel-default" *ngFor = "let latestmessage of messages" &gt;
            &lt;div class="panel-body"&gt;
               {{ latestmessage.content }}
            &lt;/div&gt;
         &lt;/article&gt;
      &lt;/div&gt;
   &lt;/div&gt;
&lt;/div&gt;
</code></pre>

<p>app.component.ts</p>

<pre><code>import { Component } from '@angular/core';
import { Message } from './message.model';

@Component({
    moduleId: module.id,
    selector: 'my-app',
    templateUrl: 'app.template.html'
})
export class AppComponent {
    messages: Message[] = [
        new Message('hello')
    ];

    onAddMessage() {
        const rnd = Math.ceil(Math.random() * 100);
        const msg = new Message(rnd + ' is a awsome number');
        this.messages.push(msg);
    }
}
</code></pre>

<p>message.model.ts</p>

<pre><code>import { Component } from '@angular/core';

export class Message(){
    constructor(public content: string){}
}
</code></pre>

<p>This code is build in angularjs2 and nodejs .I created a button.when i click on button it give me response like this hello     99 number is an awesome number.what is reserved word in this code?? anyone can help??</p>