How To Suppress JavaScript Errors for Legacy R4/R5 On-Prem Portals

Keywords:

The instructions below will suppress unwanted JavaScript pop-up messages for on-premise portals on the Legacy r4/r5 product. These JavaScript errors appear for end users when launching online lessons. 

In order to suppress these messages, edit out the following code blocks in the launch/lesson.asp file:

1. // alert on JS errors

2. window.onerror = function(){

3. alert(window.opener.Translator.LESSON_DATA_ERROR);

4. return true;

5. }

and

1. //set error behavior within lesson content

2. setTimeout("window.frames[0].onerror = function(){alert(window.opener.Translator.LESSON_ERROR); return true;}", 1000);