gladchinda · April 2, 2019 18:06
diff --git a/exchange-rate.js b/exchange-rate.js
 const exchangeRate = currency => {
  const symbol = `${BASE_CURRENCY}_${currency}`;
  
  return fetch(`${API_URL}&q=${symbol}`)
    .then(response => response.json())
    .then(data => [ currency, data[symbol] || null ])
  
    // Attach a `.catch()` handler for graceful rejection handling
    .catch(() => [ currency, null ]);
 }
	const exchangeRate = currency => {
	const symbol = `${BASE_CURRENCY}_${currency}`;

	return fetch(`${API_URL}&q=${symbol}`)
	.then(response => response.json())
	.then(data => [ currency, data[symbol] \|\| null ])

	// Attach a `.catch()` handler for graceful rejection handling
	.catch(() => [ currency, null ]);
	}