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We have a requirement that we should display running lines in Case comments , instead of a standard one.

Am planning to Copy Rich Text field (Case Comments) values to another rich text field values to display the running lines.

Below is my code:

trigger CEP_Case_Comment_Trigger on CEP_Case_Comments__c (before insert, before update) {

    for(CEP_Case_Comments__c caseComm :trigger.new){
        caseComm.CEP_Case_Comments_Formula__c = '<marquee>'+ '<B>'+ caseComm.CEP_Case_Comments__c  + '<B>'+'</marquee>';

        caseComm.CEP_Case_Comments_Formula_Text__c =  '<marquee>'+ '<B>' + caseComm.Case_Comments_Formula_Text_Area__c  + '<B>'+ '</marquee>';  
    }
}

The HTML Tag <marquee> is not working with Trigger, but the tag <B> is working. Please help.

  • Can you please shade some more light on "working and not working" tags. Are they saved in the system? Generating error during parsing or runtime? – Mahmood Jan 5 '18 at 13:43
  • Hello Mahmood, am using only <marquee> and <B> tag. Yes am using in Trigger. No error is generating. Am not getting the running lines. – razor Jan 5 '18 at 13:57
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Rich text fields only support a very limited subset of all html tags. Marquee is not one of them. Unsupported tags are automatically deleted. You can find the full list of supported tags here: https://help.salesforce.com/articleView?id=fields_using_html_editor.htm&type=5

As a side note, the marquee tag has been marked obsolete, so you may wish to stop using it where possible: https://developer.mozilla.org/en-US/docs/Web/HTML/Element/marquee

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    I do not miss the marquee-laden early 2000's of the Internet. – sfdcfox Jan 5 '18 at 15:03
  • @sfdcfox hahaaha. I had to look it up to remind me what it does. I might start using it again for the nostalgic value. They were simpler (and uglier times). – Kasper Jan 5 '18 at 15:41
  • CSS animations rendered marquee obsolete. I'm not even sure modern browsers would do anything other than treat it as a normal span element. – sfdcfox Jan 5 '18 at 15:48
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    @sfdcfox It still works in Chrome! And after having looked at it for a minute my nostalgia has vanished.... – Kasper Jan 5 '18 at 15:54

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