How to check a list contain a value in react

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  1. Using includes() method:
javascript
const myList = [1, 2, 3, 4, 5];
const valueToCheck = 3;

if (myList.includes(valueToCheck)) {
  console.log('Value exists in the list');
} else {
  console.log('Value does not exist in the list');
}
  1. Using indexOf() method:
javascript
const myList = [1, 2, 3, 4, 5];
const valueToCheck = 3;


if (myList.indexOf(valueToCheck) !== -1) {
  console.log('Value exists in the list');
} else {
  console.log('Value does not exist in the list');
}
  1. Using find() method:
javascript
const myList = [1, 2, 3, 4, 5];
const valueToCheck = 3;

if (myList.find(item => item === valueToCheck)) {
  console.log('Value exists in the list');
} else {
  console.log('Value does not exist in the list');
}

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