Created
March 12, 2010 10:56
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IE script loading bug
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| <?php | |
| header("Content-Type: text/javascript"); | |
| header("Cache-Control: private, max-age=34560000", TRUE); | |
| ?> | |
| window.SCRIPT_LOADED = true; | |
| if (window.BREAK) debugger; |
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| <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" | |
| "http://www.w3.org/TR/html4/strict.dtd"> | |
| <html> | |
| <head> | |
| <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> | |
| <meta name="author" content="Fabian Jakobs"> | |
| <script type="text/javascript" charset="utf-8"> | |
| var head = document.getElementsByTagName("head")[0]; | |
| var script = document.createElement("script"); | |
| script.type = "text/javascript"; | |
| script.src = "cached-script.php"; | |
| script.onreadystatechange = function() { | |
| if (script.readyState == "loaded" || script.readyState == "complete") | |
| { | |
| head.removeChild(script); | |
| window.BREAK = true; | |
| var script2 = document.createElement("script"); | |
| script2.type = "text/javascript"; | |
| script2.src = "cached-script.php"; | |
| head.appendChild(script2); | |
| } | |
| }; | |
| head.appendChild(script); | |
| </script> | |
| </head> | |
| <body> | |
| <h1>This test demonstrates an IE bug.</h1> | |
| Under certain circumstances dynamically inserted scripts are executed | |
| synchronously. To see this, open this file in IE and enable the debugger. | |
| <p> | |
| You'll notice that the <code>appendChild</code> is in the call stack! | |
| <p> | |
| Note that these files have to be served from a web server with PHP support. | |
| </body> | |
| </html> |
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