basic auth in fetch code example

Example 1: how to send basic auth using fetch

fetch(url, {
	...options, 
	headers: {
    	'Authorization': 'Basic ' + btoa(`${username}:${password}`)
    }
})
.then(response => response.json())
.then(json => console.log(json));

Example 2: node-fetch auth basic

// for node-fetch

fetch(url, {
	... 
	headers: {
    	'Authorization': 'Basic ' + Buffer.from(`${username}:${password}`, 'binary').toString('base64')
    }
    ...
})