React

by Bryan Weaver

HTML

<div id="app"></div>

CSS

body {
  background: #20262E;
  padding: 20px;
  font-family: Helvetica;
}

#app {
  background: #fff;
  border-radius: 4px;
  padding: 20px;
  transition: all 0.2s;
}

li {
  margin: 8px 0;
}

h2 {
  font-weight: bold;
  margin-bottom: 15px;
}

.done {
  color: rgba(0, 0, 0, 0.3);
  text-decoration: line-through;
}

input {
  margin-right: 5px;
}

React

class ContactManager  extends React.Component {
   state = {
      contacts: this.props.data
   } 
   
   addPerson = (name) => {
      this.setState({contacts: [... this.state.contacts, name]});

   render() {
      return (
         <div>
            <AddPersonForm parentMethod={this. addPerson}/>
            <PeopleList data={this.state.contacts} />
         </div>
     );
   }
  }

ReactDOM.render(<TodoApp />, document.querySelector("#app"))