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Express.js - AJAX PUT request
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In this article, we would like to show you how to make AJAX PUT requests in Express.js.
In this section, we use Express.js to handle PUT requests.
index.js
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const express = require('express'); // installation: npm install express2
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const port = 3000;4
const app = express();5
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app.put('/examples', (request, response) => {7
const data = request.body;8
// inserting new resources9
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response.send('put your changed data here');11
});12
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app.listen(port, () => {14
console.log(`server is listening at http://localhost:${port}`);15
});To run the server use:
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node index.jsOutput:
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server is listening at http://localhost:3000The following is an example execution of a fetch method that sends PUT requests.
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<html>3
<body>4
<script>5
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var bodyData = 'text';7
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fetch('/examples', {9
method: 'PUT',10
headers: {11
'Content-Type': 'text/plain',12
},13
body: bodyData,14
})15
.then((response) => response.json())16
.then((data) => {17
console.log('Success:', data);18
})19
.catch((error) => {20
console.error('Error:', error);21
});22
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</script>24
</body>25
</html>