Answer by Aleksandr Oleynikov for JavaScript global event mechanism
If you want unified way to handle both uncaught errors and unhandled promise rejections you may have a look on uncaught library.EDIT<script type="text/javascript"...
View ArticleAnswer by Apoorv Saxena for JavaScript global event mechanism
One should preserve the previously associated onerror callback as well<script type="text/javascript">(function() { var errorCallback = window.onerror; window.onerror = function () { // handle...
View ArticleAnswer by Lance for JavaScript global event mechanism
It seems that window.onerror doesn't provide access to all possible errors. Specifically it ignores:<img> loading errors (response >= 400).<script> loading errors (response >=...
View ArticleAnswer by Fizer Khan for JavaScript global event mechanism
Let me explain how to get stacktraces that are reasonably complete in all browsers.Error handling in JavaScriptModern Chrome and Opera fully support the HTML 5 draft spec for ErrorEvent and...
View ArticleAnswer by kane for JavaScript global event mechanism
I would recommend giving Trackjs a try.It's error logging as a service.It's amazingly simple to set up. Just add one <script> line to each page and that's it. This also means it will be amazingly...
View ArticleAnswer by GibboK for JavaScript global event mechanism
// display error messages for a page, but never more than 3 errorswindow.onerror = function(msg, url, line) {if (onerror.num++< onerror.max) {alert("ERROR: "+ msg +"\n"+ url +":"+ line);return...
View ArticleClik here to view.
Answer by Sam for JavaScript global event mechanism
How to Catch Unhandled Javascript ErrorsAssign the window.onerror event to an event handler like:<script type="text/javascript">window.onerror = function(msg, url, line, col, error) { // Note...
View ArticleAnswer by SunnyRed for JavaScript global event mechanism
sophisticated error handlingIf your error handling is very sophisticated and therefore might throw an error itself, it is useful to add a flag indicating if you are already in "errorHandling-Mode"....
View ArticleAnswer by Ionuț G. Stan for JavaScript global event mechanism
Does this help you:<script>window.onerror = function() { alert("Error caught");};xxx();</script>I'm not sure how it handles Flash errors though...Update: it doesn't work in Opera, but I'm...
View ArticleJavaScript global event mechanism
I would like to catch every undefined function error thrown. Is there a global error handling facility in JavaScript? The use case is catching function calls from flash that are not defined.
View Article