Asp.net Catch Javascript Error
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Javascript Error Handling Best Practices
you, helping each other. Join them; it only takes a minute: Sign up Logging Clientside JavaScript Errors on Server [closed] up vote 67 down vote favorite 26 Im running a ASP.NET Site where I have problems to
Javascript Onerror
find some JavaScript Errors just with manual testing. Is there a possibility to catch all JavaScript Errors on the Clientside and log them on the Server i.e. in the EventLog (via Webservice or something like that)? javascript logging error-handling share|improve this question edited Sep 27 '12 at 17:54 James McMahon 22.6k51149223 asked Sep 23 '08 at 6:43 MADMap 1,50721625 closed as too broad by Andrew Barber Jul 22 '14 at 15:05 There are either too many javascript error message possible answers, or good answers would be too long for this format. Please add details to narrow the answer set or to isolate an issue that can be answered in a few paragraphs.If this question can be reworded to fit the rules in the help center, please edit the question. The problem why we are not using JavaScript UnitTesting is because there are too many people contributing to the Site/Content and they are using JavaScript. The Content is nothing we (as developers) should care about, but there are mistakes in the code. So a general solution would be better. –MADMap Sep 23 '08 at 6:50 I assume you don't mean average user contributed (else that is XSS hole)... but... you could maybe isolate their JS in try/catch so it at least doesn't affect your own JS... without knowing the dynamic of the site, I don't know if this will help or not... –Mike Stone Sep 23 '08 at 7:06 The content is from other Teams in the Company, not from users so it's not an security-risk –MADMap Sep 23 '08 at 8:41 add a comment| 8 Answers 8 active oldest votes up vote 51 down vote accepted You could try setting up your own handler for the onerror event and use XMLHttpRequest to tell the server what went
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Javascript Try Without Catch
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2009 - 15 comment(S) 52,435 views RATE IT (Rated 4 by 44 people) Like the Object oriented programming the exception handling is also not used while coding in JavaScript. That why in most of http://www.dailycoding.com/posts/javascript_exception_handling_techniques.aspx cases if there is any problem in one part in a page then surprisingly other part also stops working. In this post we will be discussing the various techniques to handle exceptions in JavaScript. Using try..catch block try..catch block in JavaScript is very much similar to the regular C# try..catch block. The suspected code will be put in try block and all exceptions which will javascript error occur in the try block will be caught in catch block. window.onload = function() { try { var x = 90; var value = x / y; } catch(err) { document.write(err.name + ": " + err.message + "
"); } } Output: TypeError: 'y' is undefined In catch you will get the object containing type and description of the exception. More over you can also use asp.net catch javascript finally block in the same way as you use in C#. window.onload = function() { try { var x = 90; var value = x / y; } catch(err) { document.write(err.name + ": " + err.message + "
"); } finally { alert('This is finally block'); } } Using onerror event onerror event will be raised each time there is any error while performing a action in the document. This like on place exception handling similar to Application_Error in ASP.NET. Here is sample code which demonstrate this: window.onload = function() { var x = 90; var value = x / y; } window.onerror = function(errorMeaage, fileName, lineNumber) { document.write('Error: ' + errorMeaage); } Using jQuery Solution It is similar to using onerror but with jQuery syntax. The syntax is: $(window).error( function(errorMeaage, fileName, lineNumber) { // handle error here } ); Javascript jQuery 15 comment(S) very cool & good tip, thank you very on Aug 5, 2009 12:54 AM very cool & good tip, thank you very much for sharing.Can I share this snippet on my JavaScript library?Awaiting your response. Thank Aaron White on Aug 10, 2009 01:39 PM Nice post on error catching.