import React from 'react'; import AlertMixin from '../../mixins/alert_mixin' let InputCheckbox = React.createClass({ mixins : [AlertMixin], getInitialState() { return {value: null, alerts: null // needed in AlertMixin }; }, handleChange(event) { this.setState({value: event.target.value}); }, render() { let alerts = (this.props.submitted) ? null : this.state.alerts; return (