app.use(function(req, res, next) {
res.header("Access-Control-Allow-Origin", "*");
res.header("Access-Control-Allow-Headers", "X-Requested-With");
next();
});
Access-Control-Allow-Origin: *
Access-Control-Allow-Origin: <origin>
Access-Control-Allow-Origin: null
fetch('https://cortex.fun', {mode: 'no-cors'}) // >> {mode: 'no-cors'} <<
.then(res => res.json())
.then(data => console.log(data))Access-Control-Allow-Origin: *
Access-Control-Allow-Origin: <origin>
Access-Control-Allow-Origin: null| Code Example |
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