touchtest

touchtest

mod = 'modernizr';
injectElementWithStyles = function( rule, callback, nodes, testnames ) {

      var style, ret, node, docOverflow,
          div = document.createElement('div'),
                body = document.body,
                fakeBody = body || document.createElement('body');

      if ( parseInt(nodes, 10) ) {
                      while ( nodes-- ) {
              node = document.createElement('div');
              node.id = testnames ? testnames[nodes] : mod + (nodes + 1);
              div.appendChild(node);
          }
      }

	style = ['&#173;','<style id="s', mod, '">', rule, '</style>'].join('');

      div.id = mod;
          (body ? div : fakeBody).innerHTML += style;
      fakeBody.appendChild(div);
      if ( !body ) {
                fakeBody.style.background = '';
                fakeBody.style.overflow = 'hidden';
          docOverflow = docElement.style.overflow;
          docElement.style.overflow = 'hidden';
          docElement.appendChild(fakeBody);
      }

      ret = callback(div, rule);
        if ( !body ) {
          fakeBody.parentNode.removeChild(fakeBody);
          docElement.style.overflow = docOverflow;
      } else {
          div.parentNode.removeChild(div);
      }

      return !!ret;

    }

 var bool;

 prefixes = ' -webkit- -moz- -o- -ms- '.split(' ');

if(('ontouchstart' in window) || window.DocumentTouch && document instanceof DocumentTouch) {
	bool = true;
} else {
  	var query = ['@media (',prefixes.join('touch-enabled),('),'heartz',')','{#modernizr{top:9px;position:absolute}}'].join('');
      injectElementWithStyles(query, function( node ) {
        bool = node.offsetTop === 9;
      });
    }

console.log('bool', bool);