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Ways to debug js in IE when the developer tool isn’t working

February 4, 2016

I spent a whole day trying to figure out how to get the developer tool work in IEv11 yesterday but couldn’t. All I wanted was to see the user-agent string from the browser session (I’ve logged the string to window.console). In the end I just gave up and dump the string to a local txt file on C:\ drive, here’s the simple code:

 var fso = new window.ActiveXObject("Scripting.FileSystemObject");
 var fh = fso.OpenTextFile("c:\\datadata.txt", 8, false, 0);

Just make sure you created an empty text file c:\datadata.txt before you run the code.

Alternatively you can write a simple html page that calls js methods to check the output:

          function detectUserAgent() {

Happy debugging 🙂

From → Effective Java

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