how to check if website is down javascript
function isSiteOnline(url,callback) {
// try to load favicon
var timer = setTimeout(function(){
// timeout after 5 seconds
callback(false);
},5000)
var img = document.createElement("img");
img.onload = function() {
clearTimeout(timer);
callback(true);
}
img.onerror = function() {
clearTimeout(timer);
callback(false);
}
img.src = url+"/favicon.ico";
}how to check if website is down javascript
isSiteOnline("http://www.facebook.com",function(found){
if(found) {
// site is online
}
else {
// site is offline (or favicon not found, or server is too slow)
}
})Copyright © 2021 Codeinu
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