title: How to push one array to another during subscribe Angular 2
body: <p>How to pass value of array to another empty array during subscribe in Angular 2. I want to create infinite scroller in Angular 2. I have an array of 10 values. In infinite scroller, I want to repeat those 10 values again and again.
  Below is the code in the component:</p>
  
  <pre><code>array =[];
  eNews = [];
   getNewsList(){
  
            this._newsService.getData()
             .subscribe(resNewsData =&gt; this.eNews = resNewsData);
  
       }
  </code></pre>
  
  <p>I want to push eNews to array.</p>