function getTest (test) {
var xhr = new XMLHttpRequest();
xhr.open('GET', location.protocol+"//"+location.host+"/html"+test, false);
xhr.send();
if (xhr.status != 200) {
alert( xhr.status + ': ' + xhr.statusText ); // пример вывода: 404: Not Found
} else {
main.innerHTML=xhr.responseText;
}
}
function getMenuItem (e) {
e.preventDefault();
var et = e.target;
var href = et.dataset.href;
getTest("/"+href)
history.pushState({a: href}, "", href)
}
var main = document.querySelector("main");
var menuSite = document.getElementById('menuSite');
menuSite.addEventListener("click", getMenuItem)
getTest("/test1.html")