The res object represents the HTTP response that an Express app sends when it gets an HTTP request.
Source: https://www.tutorialspoint.com/nodejs/nodejs_response_object.htm
res.status(code) res.status(code)
This method is used to set the HTTP status for the response. Following are a few examples
So, below are examples when I am setting the response codes
res.status(403).end(); res.status(400).send(‘Bad Request’); res.status(404).sendFile(‘/absolute/path/to/404.png’);
So, below are examples when I am first getting the response codes from the express server and based on that I am logging out my current user
https://github.com/rohan-paul/SignUp-Form-with-Passport/blob/master/src/components/navbar.js
logout(event) {
event.preventDefault()
console.log('logging out')
axios.post('/user/logout').then(response => {
console.log(response.data)
if (response.status === 200) {
this.props.updateUser({
loggedIn: false,
username: null
})
}
}).catch(error => {
console.log('Logout error')
})
}
Some other Response Object Methods
res.append(field [, value])
This method appends the specified value to the HTTP response header field. Following are a few examples
res.cookie(name, value [, options])
This method is used to set cookie name to value. The value parameter may be a string or object converted to JSON. Following are a few examples −
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