Created
April 5, 2012 19:33
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Conditional jQuery resource get
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Conditional Get</title> | |
| <script src="http://code.jquery.com/jquery-1.7.1.min.js"></script> | |
| <script> | |
| $(document).ready(function() { | |
| var theResource = "dump.zip"; | |
| if(localStorage["resourcemodified"]) { | |
| $.ajax({ | |
| url:theResource, | |
| type:"head", | |
| success:function(res,code,xhr) { | |
| console.log("comparing mine "+ localStorage["resourcemodified"] + " to "+ xhr.getResponseHeader("Last-Modified")) | |
| if(localStorage["resourcemodified"] != xhr.getResponseHeader("Last-Modified")) getResource(); | |
| } | |
| }) | |
| } else getResource(); | |
| function getResource() { | |
| $.ajax({ | |
| url:theResource, | |
| type:"get", | |
| cache:false, | |
| success:function(res,code,xhr) { | |
| localStorage["resourcemodified"] = xhr.getResponseHeader("Last-Modified"); | |
| console.log("done getting it"); | |
| } | |
| }) | |
| } | |
| }); | |
| </script> | |
| </head> | |
| <body> | |
| </body> | |
| </html> |
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