express cors error
// CORS (Cross-Origin Resource Sharing) headers to support Cross-site HTTP requests
app.all('*', function(req, res, next) {
res.header("Access-Control-Allow-Origin", "*");
res.header("Access-Control-Allow-Headers", "X-Requested-With");
res.header('Access-Control-Allow-Headers', 'Content-Type');
next();
});express js cors
//Cors = Cross-origin resource sharing
var express = require('express');
var cors = require('cors');
var app = express();
app.use(cors());
var corsOptions = {
origin: 'http://example.com',
optionsSuccessStatus: 200 // some legacy browsers (IE11, various SmartTVs) choke on 204
}
app.listen(80, function () {
console.log('CORS-enabled web server listening on port 80')
})Copyright © 2021 Codeinu
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