SP.Web.applyWebTemplate(strWebTemplate) Method
Applies to: SharePoint Foundation 2010
Applies the specified site definition or site template to the website that has no template applied to it.
SP.Web.applyWebTemplate(strWebTemplate);
Parameters
strWebTemplate
Type: string
The name of the site definition or the file name of the site template.
Remarks
This method applies the specified site definition or site template to the website.