1let xhr = new XMLHttpRequest (); 
2xhr.onreadystatechange = function () {  
3    if (this.readyState == 4) {  
4        clearTimeout(timeout);  
5        // do something with response data 
6    }  
7}  
8let timeout = setTimeout( function () {  
9    xhr.abort(); // call error callback  
10}, 60*1000 /* timeout after a minute */ ); 
11xhr.open('GET', url, true);  
12
13xhr.send();