CodePen

HTML

            
              The Box:<input type="text" id="thebox" value="" size=10>
<br><input type="button" value="What's in the booooox?" onclick="document.getElementById('thebox').value='head of gwyneth paltrow';">

            
          
!

CSS

            
              
            
          
!
? ?
? ?
Must be a valid URL.
+ add another resource
via CSS Lint

JS

            
              
            
          
!
Must be a valid URL.
+ add another resource
via JS Hint
Loading ..................