https://wiki.tachyony.co.uk/w/index.php?action=history&feed=atom&title=MediaWiki%3AGadget-ShowJavascriptErrors.js 2026-05-15T20:11:41Z Revision history for this page on the wiki MediaWiki 1.35.5 https://wiki.tachyony.co.uk/w/index.php?title=MediaWiki:Gadget-ShowJavascriptErrors.js&diff=10752&oldid=prev 2022-02-02T17:04:53Z

<p>Created page with &quot;// This only shows alerts for things after this handler is installed of course. // Because this is a gadget, error reporting can thus be inconsistent. var originalErrorHandler = window.onerror || null; // Column and error args are optional window.onerror = function ( message, url, line, colomn, error ) { var $msg = $( &#039;&lt;p&gt;&#039; ); if ( url ) { $( &#039;&lt;span&gt;&#039; ) .text( url + &#039; at line &#039; + line + &#039;: &#039; ) .appendTo( $msg ); } $( &#039;&lt;span&gt;&#039; ) .text( message ) .appendTo(...&quot;</p> <p><b>New page</b></p><div>// This only shows alerts for things after this handler is installed of course.<br /> // Because this is a gadget, error reporting can thus be inconsistent.<br /> var originalErrorHandler = window.onerror || null;<br /> // Column and error args are optional<br /> window.onerror = function ( message, url, line, colomn, error ) {<br /> var $msg = $( &#039;&lt;p&gt;&#039; );<br /> if ( url ) {<br /> $( &#039;&lt;span&gt;&#039; )<br /> .text( url + &#039; at line &#039; + line + &#039;: &#039; )<br /> .appendTo( $msg );<br /> }<br /> $( &#039;&lt;span&gt;&#039; )<br /> .text( message )<br /> .appendTo( $msg );<br /> <br /> mw.notify( $msg, {<br /> autoHide: true,<br /> autoHideSeconds: 10,<br /> tag: null,<br /> title: &#039;Javascript Error&#039;,<br /> type: &#039;error&#039;<br /> } );<br /> if (originalErrorHandler) {<br /> return originalErrorHandler.apply(this, arguments);<br /> }<br /> };<br /> // unbind on leaving the page<br /> $( window )<br /> .on( &#039;unload&#039;, function () {<br /> window.onerror = originalErrorHandler;<br /> } );</div>

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