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String method to return retina filenames
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| String.prototype.retina = function () { | |
| return this.replace(/(\.\w+$)/, "@2x$1"); | |
| }; |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>String Prototype Retina</title> | |
| <script src="String.prototype.retina.js" charset="utf-8"></script> | |
| </head> | |
| <body> | |
| <script type="text/javascript"> | |
| var filename = "logo.png"; | |
| document.write(filename.retina()); | |
| </script> | |
| </body> | |
| </html> |
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