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Here you can Sed posuere consectetur est at lobortis. Donec ullamcorper nulla non metus auctor fringilla. Maecenas sed diam eget risus varius blandit sit amet non magna. Donec id elit non mi porta gravida at eget metus. Praesent commodo cursus magna, vel scelerisque nisl consectetur et.

HTML

            
              <h1>HTML buttons: Test Case</h1>

<p>
  Looks similar, due CSS styling, but are different in meaning and behaviour. 
</p>

<p>
  Does it looks like button? Does it have focus?
  It is possible to activate it with both Enter and Space?
</p>

<p>
  Succesfull examples are marked with ✔. 
  Page uses Bootstrap's styling.
</p>

<p>
  <button class="btn btn-secondary">1) Native button ✔</button>
</p>

<p>
  <input type="button" class="btn btn-secondary" value="2) Native input ✔">
</p>

<p>
  <a href="#3" role="button" class="btn btn-secondary">
    3) Anchor with role=button
  </a>
</p>

<p>
  <a href="#4" role="button" 
     onkeypress="if(event.keyCode==32||event.keyCode==13){alert('Ahoj!')};" 
     onclick="alert('Ahoj!');"
     class="btn btn-secondary">
    4) Anchor with role=button and with onkeypress watching for Enter ✔
  </a>
</p>

<p>
  <a href="#5">
    <button class="btn btn-secondary">
      5) Button inside anchor
    </button>     
  </a>
</p>

<p>
  <a href="#6">
    <button class="btn btn-secondary" tabindex="0"         
    onkeypress="if(event.keyCode==32||event.keyCode==13){alert('Ahoj!')};" 
    onclick="alert('Ahoj!');">
      6) Button inside anchor without focus and with onkeypress watching for Enter
    </button>      
  </a>
</p>

<p>
  <span role="button" class="btn btn-secondary">
    7) Span with role=button
  </span>
</p>  

<p>
  <span role="button" tabindex="0" 
    onkeypress="if(event.keyCode==32||event.keyCode==13){alert('Ahoj!')};" 
    onclick="alert('Ahoj!');" 
    class="btn btn-secondary">
    8) Span with role=button, focus and keypress  ✔
  </span>
</p>  
            
          
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CSS

            
              body {
  margin: 2rem;
}
            
          
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JS

            
              
            
          
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999px

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