function hide(e){
  e.currentTarget.style.visibility = 'hidden';
  console.log(e.currentTarget);
  // When this function is used as an event handler: this === e.currentTarget
}

var ps = document.getElementsByTagName('p');

for(var i = 0; i < ps.length; i++){
  // console: print the clicked 
 element
  ps[i].addEventListener('click', hide, false);
}
// console: print 
document.body.addEventListener('click', hide, false);