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 <p> element
ps[i].addEventListener('click', hide, false);
}
// console: print <body>
document.body.addEventListener('click', hide, false);