title: How to get DOM element from touch event?
body: <p>Below is the code to add the class in onclick is 100% worked on desktop browser but doesn't work on mobile android webview. The alert on mobile is not shown.</p>
  
  <pre><code>&lt;button onclick="alert('test');this.classList.toggle('newclass');" &gt;
  </code></pre>
  
  <p>I found how to run  onclick on android webview like below.  The alert is shown but toggle function doesn't work.</p>
  
  <pre><code>newNode.addEventListener("touchstart",function (e){
      alert("test");
      e.classList.toggle('newclass');
  }, false)
  </code></pre>
  
  <p>but want to add the class of current node touched is not working. The It's said:</p>
  
  <blockquote>
    <p>Uncaught TypeError: Cannot read property 'toggle' of undefined
        at HTMLButtonElement. (app_mobile.js:5799)</p>
  </blockquote>
  
  <p>Actually how to get dom element and add/change class of it's element using touch event for android webviee?</p>