Created
October 19, 2012 00:17
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Resolves a relative url against a base_url using browser internals not exposed to you in API form.
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| function resolveURL(url, base_url) { | |
| var doc = document | |
| , old_base = doc.getElementsByTagName('base')[0] | |
| , old_href = old_base && old_base.href | |
| , doc_head = doc.head || doc.getElementsByTagName('head')[0] | |
| , our_base = old_base || doc_head.appendChild(doc.createElement('base')) | |
| , resolver = doc.createElement('a') | |
| , resolved_url | |
| ; | |
| our_base.href = base_url; | |
| resolver.href = url; | |
| resolved_url = resolver.href; // browser magic at work here | |
| if (old_base) old_base.href = old_href; | |
| else doc_head.removeChild(our_base); | |
| return resolved_url; | |
| } |
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doesn't work for me in IE8...