Possible to load sitecollection without direct reference

Question

I've followed one of the tutorials to use CSOM (JavaScript) to work on a list. I need to template the site and create new sites from it.

But in my code (CEWP and txt file) I have a hard coded link. Is it somehow possible to change to grab site collection (itdevSC) ?

var siteUrl = '/sites/itdevSC/mysubsite';     
var clientContext = new SP.ClientContext(siteUrl);

Answer 1

You can get the URL using

var siteUrl = window.location.protocol + "//" + window.location.host + _spPageContextInfo.siteServerRelativeUrl;