asenkronTest.js

const request = new XMLHttpRequest();
request.open ('GET', 'https://datausa.io/api/data?drilldowns=Nation&measures=Population')
request.send();
console.log(request.responseText)

request.addEventListener('load', function(){
	data = JSON.parse(this.responseText)
	console.log(data)
})

console.log("Execute edilecek satır kalmadı")