Check for a value in an array of objects

Question

functionweatherCodes(){letcodes=[{sunny:[1001]},{cloudy:[1002,1003]}]lettheCode=1003}; How can I check my array of objects to find if one of them contains my variable theCode

P粉517475670 · Answer

Using flat() and includes() Simple reference provided for you

function weatherCodes(){
  let codes = [{sunny:[1001]},{cloudy:[1002,1003]}]
  let theCode = 1003
  return codes.some(c => Object.values(c).flat().includes(theCode));
};

console.log(weatherCodes());

Another option

function weatherCodes(){
  let codes = [{sunny:[1001]},{cloudy:[1002,1003]}]
  let theCode = 1003
  let values = codes.flatMap(c => Object.values(c)).flat()
  return values.includes(theCode)
};

console.log(weatherCodes());