reactjs – React儿童迭代

对于迭代/映射反应的孩子,哪种方法更好/更安全,一般建议？

this.props.children.map(c => <span>new child</span>);

要么

React.Children.map(c => <span>new child</span>);

React.Children.map更好,因为它处理null和undefined案例.

If children is null or undefined, returns null or undefined rather than an array.