href
property:
1. object LOCATION , returns the full url as a string.
location.href
2. of a STYLESHEET object, returns the full url of the LINK tag that imported the stylesheet into the corresponding STYLE tag. See section "STYLE ~ Importing Stylesheet".
window.document.stylesheets (number) .href
where "number" is a sequential number from 0 of the STYLE tag on the page.
3. tags: A, AREA, LINK , sets and returns url as a string