ES6React this keyword with ajax to get data from server

import React from 'react';

class SearchEs6 extends React.Component{
    constructor(props) {
        super(props);
        this.state = {
            searchResults: []
        };
    }

    showResults(response){
        this.setState({
            searchResults: response.results
        })
    }

    search(url){
        $.ajax({
            type: "GET",
            dataType: 'jsonp',
            url: url,
            success: (data) => {
                this.showResults(data);
            },
            error: (xhr, status, err) => {
                console.error(url, status, err.toString());
            }
        });
    }

    render() {
        return (
            <div>
                <SearchBox search={this.search.bind(this)} />
                <Results searchResults={this.state.searchResults} />
            </div>
        );
    }
}