Call this extremely useful function on an . The will become a picture of a doggy.
function makeDoggy(e) {
e.target.setAttribute('src', 'https://s3.amazonaws.com/codecademy-content/courses/React/react_photo-puppy.jpeg');
e.target.setAttribute('alt', 'doggy');
}
const kitty = (
<img onClick={makeDoggy}
src="https://s3.amazonaws.com/codecademy-content/courses/React/react_photo-kitty.jpg"
alt="kitty" />
);
ReactDOM.render(kitty, document.getElementById('app')
);