Preview:
const isValidJSON = string => {
  try {
    JSON.parse(string);
    return true;
  } catch (error) {
    return false;
  }
};
let check1 = isValidJSON(‘{“title”: “javascript”, “price”: 14}’); // true
let check2 = isValidJSON(‘{“title”: “javascript”, “price”: 14, subtitle}’); // false
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