Problem with url

Question

var x = 20;
xhr.open('GET','http://127.0.0.1:8000/insert/x);

How can i pass the value of x in the http string , so as to get

xhr.open('GET','http://127.0.0.1:8000/insert/20); as request? 

Answer 1

Like this:

xhr.open('GET','http://127.0.0.1:8000/insert/' + x);

You need to concatenate the value of x to the URL string.

Answer 2

xhr.open('GET','http://127.0.0.1:8000/insert/' + x);

You should use JavaScript's + operator to concatenate the Strings.

Answer 3

xhr.open('GET','http://127.0.0.1:8000/insert/' + x);