jQuery ajax to plain JavaScript

jQuery ajax to plain JavaScript

I'm using Rails framework and I need to hit a controller URL through AJAX. The controller view should execute some JS(For testing I have given `alert();`)

I have jQuery code like:

jQuery.ajax({ url: url // Some URL });

The above code worked perfectly and displayed `alert()`. But, I have a requirement to convert this code to pure JS. So, I did:

var xhttp = new XMLHttpRequest(); xhttp.open("GET", url, true); xhttp.setRequestHeader("X-Requested-With", "XMLHttpRequest"); xhttp.send();
The above code fires AJAX request to controller but never executes the `alert();`