Catch Javascript Error In Iframe
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Iframe Onerror Not Working
I catch exception of Iframe in parent window of Iframe up vote 9 down vote favorite 3 I have an IFrame in a page and IFrame has some JavaScript. At run time JavaScript in IFrame gives exception which i want to catch on parent window. How to do that?
What i want is, if the url fails to load. I want to display Custom Message. FIDDLE HERE Now, if i use onload and onerror as:- It works fine loading w3schools.com but not with google.com. Secondly:- if i make it as a function and try like i have done in my fiddle, it doesn't works. I don't know how should i make it run and capture the error. Edited:- I have seen Want to call a function if iframe doesn't load or load's question in stackoverflow but it shows error for sites that can be loaded in iframe. Also, i have looked into Stackoverflow iframe on load event Thanks!! jquery iframe knockout.js same-origin-policy share|improve this question edited Mar 20 at 17:45 mikeng 2,21622332 asked Mar 7 '13 at 13:56ASP.NET Community Standup Forums Help Home/ASP.NET Forums/General ASP.NET/HTML, CSS and JavaScript/How to http://forums.asp.net/t/1737314.aspx?How+to+handle+exception+in+iframe+which+is+throwed+in+loading+phase+ handle exception in iframe, which is throwed in loading phase. How to handle exception in iframe, which is throwed in loading phase. [Answered]RSS https://teamtreehouse.com/community/check-iframe-loaderror 3 replies Last post Nov 10, 2011 10:29 PM by BU XI - MSFT ‹ Previous Thread|Next Thread › Print Share Twitter Facebook javascript error Email Shortcuts Active Threads Unanswered Threads Unresolved Threads Support Options Advanced Search Reply kooboobird Member 4 Points 36 Posts How to handle exception in iframe, which is throwed in loading phase. Nov 07, 2011 12:41 AM|kooboobird|LINK When loading IFrame, if there is some exception, I want to catch javascript error handle it by myself. I set the onerror event of the IFrame's contentWindow attribute. But the error handler isn't triggered. Does any one know how to solve it? # What follows are my test html files. test.html====================
Error
Reply BU XI - MSFT All-Star 23543 Points 2694 Posts Re: How to handle exception in iframe, which is throwed in loading phase. Nov 09, 2011 11:50 PM|BU XI - MSFT|LINK Hello If the content in iframe is under your control, you may place a script to detect, for ytries to load an HTML file that isn't available and thus sends a 404 error. Here's my code. function checkForCourse() { $iframe = $('#ifrm'); if ($iframe.attr('src')) { return false; } else { $('#iframeAlert').toggleClass('hidden'); } } It works if there is no source attribute, but not if the 404 error page loads. 2 Answers Richard Duncan 5,553 Points Richard Duncan Richard Duncan 5,553 Points over 2 years ago There doesn't appear to be a simple way to do this I'm afraid the iframe element doesn't support onerror which one might use to determine if say an image had failed to load. After searching the web this seemed the best solution to me, it doesn't require that you have control of the loaded pages like the top voted answer on stack. It assumes there will be a title tag with title text set for the check which seems pretty reasonable to me and falls back to a timeout to try again 10 seconds later. I'd throw together an example but I'm on a train right now, here's the link; http://scriptcult.com/subcategory_139/article_884-check-if-iframe-has-loaded-correctly-recover-from.htm Keith Doyle 25,913 Points Keith Doyle Keith Doyle 25,913 Points over 2 years ago This actually works now. I used something similar but took setTimeout out of the if statement. function iFrameCheck() { var ttle = $('#ifrm').contents().find('title').text(); setTimeout(function(){ if (ttle.indexOf('404 - File or directory not found.') == -1) { return false; } else { $('#iFrameAlert').toggleClass('hidden'); } }, 2000); } Posting to the forum is only allowed for members with active accounts. Please sign in or sign up to post. Our mission is to bring affordable, technology education to people everywhere, in order to help them achieve their dreams and change the world. Our Company About Us Contact Us