React

by Abdul Ahmad

HTML

<div id="container"></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 MyComponent extends React.Component {
  render() {
    const { renderChild } = this.props;
    return (
      <div>
        component
        { renderChild && renderChild() }
      </div>
    );
  }
}

class TodoApp extends React.Component {
  render() {
    let moreMarkup = [];
    for (let i = 0; i < 10000; i++) {
      moreMarkup.push(<MyComponent key={i} renderChild={() => <MyComponent />} />);
    }
    
    console.log('react render');
    return (
      <div>
        <MyComponent renderChild={() => <MyComponent />} />
        <MyComponent />
        { moreMarkup }
      </div>
    )
  }
}

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

$(function() {
  $('#container').on('click', '#btn', function() {
    alert('Hello!');
  });
	$('#container').html('<button id="btn">Say Hello</button>');
});