Betrachten Sie den folgenden code (Reagieren JS-code): poll() { var self = this; var url = "//" + location.hostname + "/api/v1/eve/history/historical-data/" + this.state.itemId + '/' + this.state.regionId + '/40'; $.get(url, function(result) { console.log(result.data, result.data.reverse()); self.setState({ error: null,