React JS Tutorial 7: defaultProps and propTypes

Learn what defaultProps and propTypes are in React JS and how to make use of them.

[dfox]

Good explanation i understood this two things :)

[gp]

React.PropTypes.number is depreceated. Instead use
import PropTypes from 'prop-types';
HelloPlanet.propTypes = {
num: PropTypes.number
};

[nikhilbatta]

when importing proptypes how does it work. I have a program right now and my prop types arent getting recognized and I have no clue why

[cinemaismywife]

Hi...nice tutorial. I read it somewhere the proptypes are only used in development mode and it won't work in production. Is that true and if it is then what should we use while production