title: Ionic 2 after used DomSanitizer change style didn't work
body: <p>I tried to change style with DOM in my project, but in my browser didn't change anything. when i tried to create console the DOM structure was change. Any idea?</p>
  
  <p>Here is my code:</p>
  
  <p>HTML:</p>
  
  <pre><code>&lt;div (press)="showBookmarkOption($event)"&gt;
    &lt;div *ngFor="let item of isicontent; let i = index" class="content-wrap datanum-{{i}}" #contentwrapper&gt;
      &lt;h3 [innerHTML]="this.sanitizer.bypassSecurityTrustHtml(item.title)"&gt;&lt;/h3&gt;
      &lt;div [innerHTML]="this.sanitizer.bypassSecurityTrustHtml(item.content)"&gt;&lt;/div&gt;
    &lt;/div&gt;
  &lt;/div&gt;
  </code></pre>
  
  <p>TS:</p>
  
  <pre><code>showBookmarkOption(e){
  
      this.BookmarkTargetDatanum  = e.target.closest('.content-wrap').classList[1].replace('datanum-','');
  
      let BookmarkTarget:any                  = e.target.closest('div').id;
      if(BookmarkTarget == ''){
          return false;
      }
      let BookmarkMarkdown:any                = document.getElementById(BookmarkTarget);
      let BookmarkMarkdownOffsetTop:any       = BookmarkMarkdown.offsetTop;
      let BookmarkMarkdownOffsetHeight:any    = BookmarkMarkdown.offsetHeight;
  
      this.bookmarkContent                            = e;
      this.bookmarkContent.target.style.background    = "yellow";
  
      console.log(e.target);
  
      actionSheet.present();
  }
  </code></pre>
  
  <p>and the result is</p>
  
  <p><a href="https://i.stack.imgur.com/LeXcT.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/LeXcT.jpg" alt="result"></a></p>