Set CORS header

api/algorithms.js

@@ -67,5 +67,8 @@ const getAlgorithms = () => [
 	}
 ];
 
-module.exports = async (request, response) => response.json(await getAlgorithms());
+module.exports = async (request, response) => {
+	res.setHeader('Access-Control-Allow-Origin', '*')
+	response.json(await getAlgorithms())
+};
 module.exports.getAlgorithms = getAlgorithms;

api/coins.js

@@ -30,5 +30,8 @@ const getCoinData = async () => {
 	return coins;
 };
 
-module.exports = async (request, response) => response.json(await getCoinData());
+module.exports = async (request, response) => {
+	res.setHeader('Access-Control-Allow-Origin', '*')
+	response.json(await getCoinData())
+};
 module.exports.getCoinData = getCoinData;

api/data.js

@@ -22,4 +22,7 @@ const getData = async () => {
 	return data;
 };
 
-module.exports = async (request, response) => response.json(await getData());
+module.exports = async (request, response) => {
+	res.setHeader('Access-Control-Allow-Origin', '*')
+	response.json(await getData())
+};