Question 199137 in Javascript Question posted in
A very good W3school tutorial can be found here.

Javascript – displaying random questions at onces using react

i am creating a quiz app which has an array that includes five questions but i want the five questions to display randomly but all the 5 questions at the same time

const randomQuestion = (array) => {
    let random = array[Math.floor(Math.random() * array.length)]
    return random
}
const [current, setCurrent] = useState(() => randomQuestion(questions));
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3

Answers


  1. 0

    Here’s one using the array.sort method.

    array = ["Hello", "Hello2", "Hello3", "Hello4", "Hello5"];

let random = array.sort(() => Math.random() - 0.5);

console.log(random);
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  2. 0 
        const randomQuestion = (data) => {
      return data.sort(() => (Math.random() > 0.5 ? 1 : -1));
    };
console.log(randomQuestion([2, 3, 4, 56, 7]));
    const [current, setCurrent] = useState(() => randomQuestion(questions))
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  3. 0 
    const randomizeArray = (array) => {
  const newArray = array.slice();
  
  for (let i = newArray.length - 1; i > 0; i--) {
    const j = Math.floor(Math.random() * (i + 1));
    [newArray[i], newArray[j]] = [newArray[j], newArray[i]];
  }
  
  return newArray;
};

const questions = [
  "Question 1",
  "Question 2",
  "Question 3",
  "Question 4",
  "Question 5"
];

const randomizedQuestions = randomizeArray(questions);
console.log(randomizedQuestions);
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