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Express.js - AJAX GET request
3 points
In this article, we would like to show you how to make AJAX GET requests in Express.js.
In this section, we use Express.js to handle GET requests.
index.js file:
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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.get('/examples/echo', (request, response) => {7
const text = request.query.text;8
response.send(text);9
});10
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app.listen(port, () => {12
console.log(`server is listening at http://localhost:${port}`);13
});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 GET requests.
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<html>3
<body>4
<script>5
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fetch('/examples/echo?text=hello')7
.then(async (response) => {8
if (response.status == 200) {9
const text = await response.text();10
console.log(`Received data: ${text}`);11
} else {12
console.log(`Received error: status=${response.status}`);13
}14
})15
.catch((error) => {16
console.error(`Occured exception: ${error}`);17
});18
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</script>20
</body>21
</html>22