I have the following script element in my web page:
Using JavaScript,
Save the templates for rendering later...
not stoked about the iFrame, but it seems to be working pretty good (haven't ran performance tests yet)
Put the iFrame on the page you want the template on (index.html)
Put this body wrapper around your template (mustache.Users.html)
(don't worry it won't show up in the template)
{{#users}}- {{name}}
{{/users}}
Now You can access your templates from anywhere
localStorage.getItem('users_template')
OR
window.localStorage.getItem('users_template')