title: Disable writing in input type number HTML5
body: <p>I want to disable writing into a field of type number, for avoiding strings data, and write just numbers, so how to enable scroll bars only  ?</p>
  
  <pre><code>&lt;form&gt;
   &lt;input type="number"  path="note" min="1" max="20"/&gt;
  &lt;/form&gt;
  </code></pre>