onclick-works.js

import AltContainer from 'alt/AltContainer'
import React from 'react'

class Child extends React.Component {
  foo() {
    console.log('im here')
  }

  render() {
    return <div onClick={this.foo}>click me</div>
  }
}

class App extends React.Component {
  render() {
    return (
      <AltContainer>
        <Child />
      </AltContainer>
    )
  }
}

React.render(<App />, document.body)