title: Is there better way to add column to two dimensional array
body: <p>I have an two dimensional array as</p>
  <pre><code>var textarray = [[{ text: 'Content 1' }, { text: 'Content 2' }], 
                   [{ text: 'Content 3' }, { text: 'Content 4' }]];
  </code></pre>
  <p>I have a method to add column to matrix in the right as</p>
  <pre><code>insertColumnAtRight() {
      for (var i = 0; i &lt; this.textarray.length; i++) {
        this.textarray[i].push({ text: &quot;&quot; });
      }
  }
  </code></pre>
  <p>Is there any better way or shorter way to add column to 2 dimension array?</p>