 their weather.  $ ( "#btn" ) . on ( "click" , ( ) => { const userPromise = getUser ( 'tylermcginnis' ) userPromise . then ( ( user ) => { const weatherPromise = getWeather ( user ) weatherPromise . then ( ( weather ) => { } ) weatherPromise . catch ( showError ) } ) userPromise . catch ( showError ) } )  Notice 