Created
February 20, 2013 17:18
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simple & qualified async script load
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| <head> | |
| .... | |
| </head> | |
| <script> | |
| (function( w ){ | |
| var doc = w.document, | |
| // quick async script inject | |
| ref = doc.getElementsByTagName( "script" )[0], | |
| loadJS = function( src ){ | |
| var elem = doc.createElement( "script" ); | |
| elem.src = src; | |
| ref.parentNode.insertBefore(elem, ref); | |
| }; | |
| // load a script | |
| loadJS( "foo.js" ); | |
| // or broadly qualify to newer browsers first: | |
| if( "querySelector" in doc ){ | |
| loadJS( "foo.js" ); | |
| } | |
| }( this )); | |
| </script> | |
| ... | |
| </head> |
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