title: Input tag html with close tag or not
body: <p>I know if input tag no need close tag input like this</p>
  
  <pre><code>&lt;input type="text" value="Save"&gt;
  </code></pre>
  
  <p>but i will continue some web app and i see so many input tag with close tag like this</p>
  
  <pre><code>&lt;input type="text" value="Save"&gt;&lt;/input&gt;
  </code></pre>
  
  <p>I want to know, does this have an effect on something? 
  I fear will have an effect on something in the future.</p>