数组 React Native 上的多个映射

Question

Use multiple Map on array. I get error: SyntaxError: C:\\Users\\Laptop15\\Desktop\\React Native\\src\\screens\\Question.js: Unexpected token, expected "," (59:7)

I use function that: {PytaniePush(quizDane.quest1)}

   function PytaniePush(myID) {
            if(quizDane && quizDane.quest1 && myID){
                myID.map((item, key)=>(
                    myID[key].map((item2, key2)=>(
                        return ({RadioPush(myID[key].item2)});
                    ));
                )); 
            }
        }

I want to console log with all elements in array and object: quest1->array[Object(A,B), Object(A,B)] Data look: that I want to get: A in 0 is ... B in 0 is ... A in 1 is ... B in 1 is ...

Answer 1

You have an syntax error in your code. Here is right code.

function PytaniePush(myID) {
  if (quizDane && quizDane.quest1 && myID) {
    myID.map((item, key) =>
      myID[key].map((item2, key2) => {
        return RadioPush(myID[key].item2);
      })
    );
  }
}

Next time when you will have a syntax error try to use Prettier to find error and improve format of your code.

Answer 2

There are some syntax errors in your code. Try this one.

function PytaniePush(myID) {
  if(quizDane && quizDane.quest1 && myID){
    myID.map((item, key) => myID[key].map((item2, key2) => { 
      return RadioPush(myID[key].item2);
    } ));
  }
}

Try to use an ES6 aware IDE. That way you will not stumble upon this kind of issues.