Similar to eval(), but it is safe to be called in strict mode and will run the code asynchronously (Nothing will be returned).

runscript.js

// Similar to eval(), but it is safe to be called in strict mode and will
// run the code asynchronously (Nothing will be returned).
// Available only in HTML5 DOM.
function runScript(script) {
  if(!script) return;
  
  // Create a temporary blob that contains the script string and
  // add a script tag at the end of the document to contain that blob.
  var blob = new Blob([script.toString()], { type: 'text/javascript' });
  var url = URL.createObjectURL(blob);
  var container = document.createElement('script');
  container.src = url;
  document.body.appendChild(container);
  
  // The code should be runned asynchronously now,
  // we should GC the tempory created stuffs in here.
  URL.revokeObjectURL(url);
  document.body.removeChild(container);
}