Java Script Error Error On Page
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Find Javascript Errors Online
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here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of http://stackoverflow.com/questions/6970475/get-all-javascript-errors-on-page-javascript-error-handling this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Get script error all javascript errors on page/javascript error handling up vote 9 down vote favorite 9 I want to be able to send myself all the javascript errors on a page. I am an extension developer, so the following has an emphasis on making sure the dom is ready before making calls to it. I investigated adding some functionality to the throw to also send javascript error message or mail the exceptions, but I didn't find this to be possible. 1:main solution to this, a window.onerror handler: window.onerror = function(e, url, line){ mailError('onerror: ' + e + ' URL:' + url + ' Line:' + line); console.error('\nLine ' + line + ':'); setTimeout(function(){retry();}, 100); //mainly useful in content scripts for extensions, return true; } May also need to do same thing via jQuery: $(window).error( function(e, url, line){ //handle error } ); The downfall of this is that your code has stopped executing. To avoid errors stopping execution, it's best to use callbacks to make sure code executes in a certain sequence, and to utilize events wherever possible. You can also protect dom calls with a few techniques $(document).ready({ //you usually won't get bad dom calls wrapping your code in this }); You can also consider running code on window.onload window.onload = function(){ //you page will probably twitch upon executing code at this time //but you will almost never have a bad dom call }; Another technique if (document.getElementById('iNeedThisElement')) { //doin work! document.getElementById('iNeedThisElement').style.display = 'block'; } else { var stillNeedToTakeCareOfX = true; //false otherwise since it's undefined mailE