Detect if a browser supports a CSS feature. Courtesy of Stack Overflow. http://stackoverflow.com/questions/10888211/detect-support-for-transition-with-javascript

detectCSSFeature.js

/**
* Detect if a browser supports a CSS feature.
* Courtesy of Stack Overflow.
* http://stackoverflow.com/questions/10888211/detect-support-for-transition-with-javascript
*
*/
function detectCSSFeature(featurename){
  var feature = false,
  domPrefixes = 'Webkit Moz ms O'.split(' '),
  elm = document.createElement('div'),
  featurenameCapital = null;

  featurename = featurename.toLowerCase();

  if( elm.style[featurename] ) { feature = true; } 

  if( feature === false ) {
      featurenameCapital = featurename.charAt(0).toUpperCase() + featurename.substr(1);
      for( var i = 0; i < domPrefixes.length; i++ ) {
          if( elm.style[domPrefixes[i] + featurenameCapital] !== undefined ) {
            feature = true;
            break;
          }
      }
  }
  return feature; 
}

detectCSSFeature("transition"); // => true or false depending on your browser. Let's hope it's true.