todoItem.js

return h('li', {
        className: classNames({
            completed: this.props.todo.completed,
            editing: this.props.editing
        })
    },
    h('div.view', null,
        h('input.toggle', {
            type: 'checkbox',
            checked: this.props.todo.completed,
            onChange: this.props.onToggle
        }),
        h('label', { onDoubleClick: this.handleEdit },
            this.props.todo.title
        ),
        h('button.destroy', { onClick: this.props.onDestroy })
    ),
    h('input.edit', {
        ref: 'editField',
        value: this.state.editText,
        onBlur: this.handleSubmit
        onChange: this.handleChange
        onKeyDown: this.handleKeyDown
    })
);